Difference between revisions of "Scope of the SEBoK"

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The SEBoK is a large compendium of information about [[Systems Engineering (glossary)|systems engineering]]. It:
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The SEBoK is a large, curated compendium of information about {{Term|Systems Engineering (glossary)|systems engineering}}. It:
 
*is a guide to the body of SE knowledge which provides references to detailed sources for additional information; it is not a self-contained knowledge resource
 
*is a guide to the body of SE knowledge which provides references to detailed sources for additional information; it is not a self-contained knowledge resource
*focuses on [[Engineered System (glossary)|Engineered Systems]] contexts, that is socio-technical systems with a recognized SE [[Life Cycle (glossary)|life cycle]],
+
*focuses on {{Term|Engineered System (glossary)|Engineered Systems}} contexts, that is socio-technical systems with a recognized SE {{Term|Life Cycle (glossary)|life cycle}}, while treating social and natural systems as relevant and important environmental considerations (see [[Foundations of Systems Engineering|Part 2]])
*while treating social and natural systems as relevant and important environmental considerations (see [[Foundations of Systems Engineering|Part 2]])
+
*describes generic SE life cycle and {{Term|Process (glossary)|process}} knowledge (see [[Systems Engineering and Management|Part 3]])  
*describes generic SE life cycle and p[[Process (glossary)|rocess]] knowledge (see [[Systems Engineering and Management|Part 3]])  
+
*recognizes that SE principles can be applied differently to different types of {{Term|Product (glossary)|products}}, {{Term|Service (glossary)|services}}, {{Term|Enterprise (glossary)|enterprises}}, and {{Term|System of Systems (SoS) (glossary)|systems of systems}} (SoS) context (see [[Applications of Systems Engineering|Part 4]])
*recognizes that SE principles can be applied differently to different types of [[Product (glossary)|products]], [[Service (glossary)|services]], [[Enterprise (glossary)|enterprises]], and [[System of Systems (SoS) (glossary)|systems of systems]] (SoS) context (see [[Applications of Systems Engineering|Part 4]])
 
 
*provides resources for organization support of SE activities (see [[Enabling Systems Engineering|Part 5]])
 
*provides resources for organization support of SE activities (see [[Enabling Systems Engineering|Part 5]])
 
*explores the interaction between SE and other disciplines, highlighting what systems engineers need to know about these disciplines (see [[Systems Engineering and Other Disciplines|Part 6]])
 
*explores the interaction between SE and other disciplines, highlighting what systems engineers need to know about these disciplines (see [[Systems Engineering and Other Disciplines|Part 6]])
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==SEBoK Purposes==
 
==SEBoK Purposes==
  
Ongoing studies of system cost and schedule failures (Gruhl & Stutzke 2005; Johnson 2006) and safety failures (Leveson 2012) have shown that the failures have mostly come not from their domain disciplines, but from lack of adequate SE.  To provide a foundation for the mutual understanding of SE needed to reduce these failure, the SEBoK describes the boundaries, terminology, content, and structure of SE. In so doing, the SEBoK systematically and consistently supports six broad purposes, described in Table 1.  
+
Ongoing studies of system cost and schedule failures (Gruhl & Stutzke 2005; Johnson 2006, GAO 2016) and safety failures (Leveson 2012) have shown that the failures have mostly come not from their domain disciplines, but from lack of adequate Systems Engineering (NDIA 2003, 2006, 2016).  To provide a foundation for the mutual understanding of SE needed to reduce these failures, the SEBoK describes the boundaries, terminology, content, and structure of SE. In so doing, the SEBoK systematically and consistently supports six broad purposes, described in Table 1.  
  
 
{|
 
{|
Line 44: Line 43:
 
|6
 
|6
 
|Inform SE Staffing
 
|Inform SE Staffing
|Inform organizations and managers deciding which competencies that practicing systems engineers should possess in various roles ranging from apprentice to expert.  
+
|Inform organizations and managers deciding which competencies practicing systems engineers should possess in various roles ranging from apprentice to expert.  
 
|}
 
|}
  
The SEBoK is a guide to the body of SE knowledge, not an attempt to capture that knowledge directly. It provides references to more detailed sources of knowledge, all of which are generally available to any interested reader. No proprietary information is referenced, but not all referenced material is free—for example, some books or standards must be purchased from their publishers. The criterion for including a source is simply that the [[Acknowledgements and Release History|authors]] believed it offered the best generally available information on a particular subject.
+
The SEBoK is a guide to the body of SE knowledge, not an attempt to capture that knowledge directly. It provides references to more detailed sources of knowledge, all of which are generally available to any interested reader. No proprietary information is referenced, but not all referenced material is free—for example, some books or standards must be purchased from their publishers. The criterion for including a source is simply that the [[Acknowledgements and Release History|authors & editors]] believed it offered the best generally available information on a particular subject.
  
The SEBoK is global in applicability. Although SE is practiced differently from industry to industry and country to country, the SEBoK is written to be useful to systems engineers anywhere. The authors were chosen from diverse locales and industries, and have refined the SEBoK to broaden applicability based on extensive global reviews of several drafts.
+
The SEBoK is global in applicability. Although SE is practiced differently from industry to industry and country to country, the SEBoK is written to be useful to systems engineers anywhere. The authors & editors were chosen from diverse locales and industries, and have refined the SEBoK to broaden applicability based on extensive global reviews of several drafts.
  
The SEBoK aims to inform a wide variety of user communities about essential SE concepts and practices, in ways that can be tailored to different enterprises and activities while retaining greater commonality and consistency than would be possible without the SEBoK. Because the world in which SE is being applied is evolving and dynamic, the SEBoK is designed for easy, continuous updating as new sources of knowledge emerge.
+
The SEBoK aims to inform a wide variety of user communities about essential SE concepts and practices in ways that can be tailored to different enterprises and activities while retaining greater commonality and consistency than would be possible without the SEBoK. Because the world in which SE is being applied continues to evolve and is dynamic, the SEBoK is designed for easy, continuous updating as new sources of knowledge emerge.
  
 
==SEBoK Uses==
 
==SEBoK Uses==
The communities involved with SE include its various specialists, engineers from disciplines other than systems engineering, managers, researchers, and educators. This diversity means that there is no single best way to use the SEBoK. The SEBoK includes use cases that highlight ways that particular communities can draw upon the content of the SEBoK, identify articles of interest to those communities, and discuss primary users (those who use the SEBoK directly), and secondary users (those who use the SEBoK with assistance from a systems engineer). See the article [[SEBoK Users and Uses]].
+
The communities involved with SE include its various specialists, engineers from disciplines other than systems engineering, managers, researchers, and educators. This diversity means that there is no single best way to use the SEBoK. The SEBoK includes use cases that highlight potential ways that particular communities can draw upon the content of the SEBoK, identify articles of interest to those communities, and discuss primary users (those who use the SEBoK directly) and secondary users (those who use the SEBoK with assistance from a systems engineer). For more on this, see the article [[SEBoK Users and Uses]].
  
 
==SEBoK Domain Independent Context==
 
==SEBoK Domain Independent Context==
The SEBoK uses language and concepts that are generally accepted for domain-independent SE. For example, the domain-independent conceptual foundations of SE are elaborated in [[Foundations of Systems Engineering|Part 2: Foundations of Systems Engineering]]. However, each of the numerous domains in which SE is practiced — including telecommunications, finance, medicine, and aerospace — has its own specialized vocabulary and key concepts. Accordingly, the SEBoK is designed to show how its domain-independent material relates to individual domains, by means of examples that tell stories of how SE is applied in particular domains. ([[Systems Engineering Implementation Examples|Part 7]] ) consists of examples (case studies and vignettes), each set in a particular domain such as aerospace, medicine, or software, and featuring vocabulary and concepts special to that domain. There are similar vignettes in some of the [[SEBoK Users and Uses|Use Cases]] in Part 1. These examples demonstrate the effect of domain on the application of SE and complement the domain-independent information elsewhere in the SEBoK. They show how a concept works in a given domain and provide a fair opportunity for reviewers to reflect on whether there are better ways to capture application-dependent aspects of SE knowledge.  
+
The SEBoK uses language and concepts that are generally accepted for domain-independent SE. For example, the domain-independent conceptual foundations of SE are elaborated in [[Foundations of Systems Engineering|Part 2: Foundations of Systems Engineering]]. However, each of the numerous domains in which SE is practiced — including telecommunications, finance, medicine, and aerospace — has its own specialized vocabulary and key concepts. Accordingly, the SEBoK is designed to show how its domain-independent material relates to individual domains in two ways.
  
The authors recognize that case studies and vignettes add significant value to the SEBoK, and expect many more to be added as the SEBoK evolves.
+
Firstly, by means of examples that tell stories of how SE is applied in particular domains. [[Systems Engineering Implementation Examples|Part 7: Systems Engineering Implementation Examples]] ) consists of examples (case studies and vignettes), each set in a particular domain such as aerospace, medicine, or software, and featuring vocabulary and concepts special to that domain. There are similar vignettes in some of the [[SEBoK Users and Uses|Use Cases]] in Part 1. These examples demonstrate the effect of domain on the application of SE and complement the domain-independent information elsewhere in the SEBoK. They show how a concept works in a given domain and provide a fair opportunity for reviewers to reflect on whether there are better ways to capture application-dependent aspects of SE knowledge.  
  
==SEBoK Life Cycle Context==
+
In addition, the SEBoK will contain knowledge areas in [[Applications of Systems Engineering|Part 4: Applications of Systems Engineering]] which explicitly describe the domain specific language, approaches, specialized processes and tools, etc. of particular application domains. In this version of the SEBoK, there are a limited set of domain knowledge areas.
Figure 2 summarizes the main agents, activities, and artifacts in the SEBoK life cycle.  
 
  
The SEBoK is one of two complementary products. The other, which uses the content of the SEBoK to define a core body of knowledge (CorBoK) to be included in graduate SE curricula, is called the ''Graduate Reference Curriculum for Systems Engineering (GRCSE)'' (Pyster et al. 2015). GRCSE is not a standard, but a reference curriculum to be tailored and extended to meet the objectives of each university’s graduate program. These products are being developed by the Body of Knowledge and Curriculum to Advance Systems Engineering (BKCASE) project (see http://www.bkcase.org).
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The SEBoK authors & editors recognize the value of both case studies and domain extensions; both will be expanded in later versions.
 
 
[[File:P1_Scope_and_Con_SEbok_LC_and_Cont_Related_Agents_BB.jpg|400px|thumb|center|'''Figure 2. SEBoK Life Cycle and Context: Related Agents, Activities, and Artifacts.''' (SEBoK Original)]]
 
 
 
The BKCASE project, led by Stevens Institute of Technology and the Naval Postgraduate School, draws upon three primary resources. The U.S. Department of Defense (DoD) has provided the funding and a representative, but does has not constrain or direct the project’s approach and content. The Systems Engineering Research Center (SERC), a DoD university-affiliated research center operated by Stevens Institute of Technology, supports BKCASE management and infrastructure and is the means by which DoD funding is delivered to the BKCASE project. The international author team of 70 members has been selected for expertise in SE and diversity of national origin (authors have come from 10 different countries in 5 continents), economic sector (government, industry, academia), and SE specialty area. These authors have donated their time to the development of the SEBoK content.
 
 
 
The SEBoK content has been developed incrementally. Each of the prototype versions (0.25, 0.5, and 0.75) underwent an open review by all interested parties. Over 200 reviewers submitted thousands of comments, each of which was adjudicated. Upon completion of the initial SEBoK and GRCSE development in late 2012, the Institute of Electrical and Electronic Engineers Computer Society (IEEE-CS) and the International Council on Systems Engineering (INCOSE), together with the SERC, are anticipated to become the primary stewards for both the SEBoK and the GRCSE. Interested parties will be able develop, operate, and support derivative products and services such as courseware, education, certification, and domain-specific versions of the SEBoK and the GRCSE. [[Bkcase Wiki:Copyright|Copyright Information]] offers complete information about what others may do with the content of the SEBoK.
 
  
 
==References==
 
==References==
  
 
===Works Cited===
 
===Works Cited===
INCOSE. 2012. ''Systems Engineering Handbook'', version 3.2.2. San Diego, CA, USA: International Council on Systems Engineering (INCOSE). INCOSE-TP-2003-002-03.2.
+
GAO. 2016. ''Weapon System Requirements. Detailed Systems Engineering Prior to Product Development Positions Programs for Success''. Government Accounting Office Report to Congressional Committees.
  
Pyster, A., D.H. Olwell, T.L.J. Ferris, N. Hutchison, S. Enck, J.F. Anthony, D. Henry, and A. Squires (eds). 2015. ''Graduate Reference Curriculum for Systems Engineering (GRCSE™)'', version 1.1. Hoboken, NJ, USA: The Trustees of the Stevens Institute of Technology. Available at: http://www.bkcase.org/grcse/.
+
Gruhl, W. and Stutzke, R. 2005. "Werner Gruhl analysis of SE investments and NASA overruns," in R. Stutzke, ''Estimating Software-Intensive Systems''. Boston, MA, USA: Addison Wesley, page 290.  
  
===Primary References===
+
Johnson, J. 2006. ''My Life Is Failure: 100 Things You Should Know to Be a Better Project Leader''. Boston, MA, USA: Standish Group International.
INCOSE. 2012. ''[[INCOSE Systems Engineering Handbook|Systems Engineering Handbook]]'', version 3.2.2. San Diego, CA, USA: International Council on Systems Engineering (INCOSE). INCOSE-TP-2003-002-03.2.
 
  
Pyster, A., D.H. Olwell, T.L.J. Ferris, N. Hutchison, S. Enck, J.F. Anthony, D. Henry, and A. Squires (eds). 2015. ''[[Graduate Reference Curriculum for Systems Engineering (GRCSE™)]]'', version 1.1. Hoboken, NJ, USA: The Trustees of the Stevens Institute of Technology. Available at: http://www.bkcase.org/grcse/.
+
Leveson, N. 2012. ''Engineering a Safer World: Systems Thinking Applied to Safety''. Cambridge, MA, USA: MIT Press.
 +
STOPPED HERE
 +
NDIA (National Defense Industrial Association). 2003. ''Top 5 Systems Engineering Issues within DOD and Defense Industry: Task Report''. Version 9, released 1/23/03. Available at: [https://ndiastorage.blob.core.usgovcloudapi.net/ndia/2006/systems/Wednesday/rassa5.pdf https://www.aticourses.com/sampler/TopFiveSystemsEngineeringIssues_In_DefenseIndustry.pdf]. Accessed October 25, 2019.
  
===Additional References===
+
NDIA (National Defense Industrial Association). 2006. '' Top 5 Systems Engineering Issues within DOD and Defense Industry DOD and Defense Industry: Task Report''. Version 8a, released July 26-27, 2006. Available at: https://ndiastorage.blob.core.usgovcloudapi.net/ndia/2006/systems/Wednesday/rassa5.pdf. Accessed October 25, 2019.
Sage, A. and W. Rouse (eds). 1999. ''Handbook of Systems Engineering and Management''. Hoboken, NJ, USA: John Wiley and Sons, Inc.  
 
  
----
+
NDIA (National Defense Industrial Association). 2016. ''Top Systems Engineering Issues In US Defense Industry 2016''. Version 7c. Available at: https://www.ndia.org/-/media/sites/ndia/divisions/systems-engineering/studies-and-reports/ndia-top-se-issues-2016-report-v7c.ashx?la=en. Accessed October 25, 2019.
<center>[[Introduction to the SEBoK|< Previous Article]] | [[SEBoK Introduction|Parent Article]] | [[Structure of the SEBoK|Next Article >]]</center>
 
 
 
 
 
==References==
 
 
 
===Works Cited===
 
Gruhl, W. and Stutzke, R. 2005. "Werner Gruhl Analysis of SE Investments and NASA Overruns," in R. Stutzke, ''Estimating Software-Intensive Systems''. Boston, MA, USA: Addison Wesley, page 290.
 
 
 
Johnson, J. 2006. ''My Life Is Failure: 100 Things You Should Know to Be a Better Project Leader''. Boston, MA, USA: Standish Group International.
 
 
 
Leveson, N. 2012. ''Engineering a Safer World: Systems Thinking Applied to Safety''. Cambridge, MA, USA: MIT Press.
 
  
 
===Primary References===  
 
===Primary References===  
INCOSE. 2012. ''[[INCOSE Systems Engineering Handbook|Systems Engineering Handbook]]: A Guide for System Life Cycle Processes and Activities'', version 3.2.2. San Diego, CA, USA: International Council on Systems Engineering (INCOSE). INCOSE-TP-2003-002-03.2.
+
None.
 
 
Sage, A. and W. Rouse (eds). 2009. ''[[Handbook of Systems Engineering and Management]],'' 2nd ed. Hoboken, NJ, USA: John Wiley and Sons, Inc.
 
  
 
===Additional References===
 
===Additional References===
Bertalanffy, L. von. 1968. ''General System Theory: Foundations, Development, Applications'', Revised ed. New York, NY, USA: Braziller.
+
None.
  
Blanchard, B. and W. Fabrycky. 2010. ''Systems Engineering and Analysis'', (5th edition). Saddle River, NJ, USA: Prentice Hall. 
+
----
 
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<center>[[Introduction to the SEBoK|< Previous Article]] | [[Introduction to the SEBoK|Parent Article]] | [[Structure of the SEBoK|Next Article >]]</center>
Booher, H. (ed.) 2003. ''Handbook of Human Systems Integration''. Hoboken, NJ, USA: Wiley.
 
 
 
Checkland, P. 1999. ''Systems Thinking, Systems Practice,'' 2nd ed. Hoboken, NJ, USA: Wiley.
 
 
 
Hitchins, D. 2007. ''Systems Engineering: A 21st Century Methodology''. Chichester, England: Wiley.
 
  
 
[[Category:Part 1]]
 
[[Category:Part 1]]
 
[[Category:Introduction to the SEBoK]]
 
[[Category:Introduction to the SEBoK]]
  
{{DISQUS}}
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<center>'''SEBoK v. 2.5, released 15 October 2021'''</center>

Revision as of 08:02, 14 October 2021

The SEBoK is a large, curated compendium of information about systems engineeringsystems engineering. It:

  • is a guide to the body of SE knowledge which provides references to detailed sources for additional information; it is not a self-contained knowledge resource
  • focuses on Engineered SystemsEngineered Systems contexts, that is socio-technical systems with a recognized SE life cyclelife cycle, while treating social and natural systems as relevant and important environmental considerations (see Part 2)
  • describes generic SE life cycle and processprocess knowledge (see Part 3)
  • recognizes that SE principles can be applied differently to different types of productsproducts, servicesservices, enterprisesenterprises, and systems of systemssystems of systems (SoS) context (see Part 4)
  • provides resources for organization support of SE activities (see Part 5)
  • explores the interaction between SE and other disciplines, highlighting what systems engineers need to know about these disciplines (see Part 6)
  • is domain-independent, with implementation examples to provide domain-specific context (see Part 7)

Each of these considerations depends upon the definition and scope of SE itself, which is the subject of the next section.

SEBoK Purposes

Ongoing studies of system cost and schedule failures (Gruhl & Stutzke 2005; Johnson 2006, GAO 2016) and safety failures (Leveson 2012) have shown that the failures have mostly come not from their domain disciplines, but from lack of adequate Systems Engineering (NDIA 2003, 2006, 2016). To provide a foundation for the mutual understanding of SE needed to reduce these failures, the SEBoK describes the boundaries, terminology, content, and structure of SE. In so doing, the SEBoK systematically and consistently supports six broad purposes, described in Table 1.

Table 1. SEBoK Purposes. (SEBoK Original)
# Purpose Description
1 Inform Practice Inform systems engineers about the boundaries, terminology, and structure of their discipline and point them to useful information needed to practice SE in any application domain.
2 Inform Research Inform researchers about the limitations and gaps in current SE knowledge that should help guide their research agenda.
3 Inform Interactors Inform performers in interacting disciplines (system implementation, project and enterprise management, other disciplines) and other stakeholders of the nature and value of SE.
4 Inform Curriculum Developers Inform organizations defining the content that should be common in undergraduate and graduate programs in SE.
5 Inform Certifiers Inform organizations certifying individuals as qualified to practice systems engineering.
6 Inform SE Staffing Inform organizations and managers deciding which competencies practicing systems engineers should possess in various roles ranging from apprentice to expert.

The SEBoK is a guide to the body of SE knowledge, not an attempt to capture that knowledge directly. It provides references to more detailed sources of knowledge, all of which are generally available to any interested reader. No proprietary information is referenced, but not all referenced material is free—for example, some books or standards must be purchased from their publishers. The criterion for including a source is simply that the authors & editors believed it offered the best generally available information on a particular subject.

The SEBoK is global in applicability. Although SE is practiced differently from industry to industry and country to country, the SEBoK is written to be useful to systems engineers anywhere. The authors & editors were chosen from diverse locales and industries, and have refined the SEBoK to broaden applicability based on extensive global reviews of several drafts.

The SEBoK aims to inform a wide variety of user communities about essential SE concepts and practices in ways that can be tailored to different enterprises and activities while retaining greater commonality and consistency than would be possible without the SEBoK. Because the world in which SE is being applied continues to evolve and is dynamic, the SEBoK is designed for easy, continuous updating as new sources of knowledge emerge.

SEBoK Uses

The communities involved with SE include its various specialists, engineers from disciplines other than systems engineering, managers, researchers, and educators. This diversity means that there is no single best way to use the SEBoK. The SEBoK includes use cases that highlight potential ways that particular communities can draw upon the content of the SEBoK, identify articles of interest to those communities, and discuss primary users (those who use the SEBoK directly) and secondary users (those who use the SEBoK with assistance from a systems engineer). For more on this, see the article SEBoK Users and Uses.

SEBoK Domain Independent Context

The SEBoK uses language and concepts that are generally accepted for domain-independent SE. For example, the domain-independent conceptual foundations of SE are elaborated in Part 2: Foundations of Systems Engineering. However, each of the numerous domains in which SE is practiced — including telecommunications, finance, medicine, and aerospace — has its own specialized vocabulary and key concepts. Accordingly, the SEBoK is designed to show how its domain-independent material relates to individual domains in two ways.

Firstly, by means of examples that tell stories of how SE is applied in particular domains. Part 7: Systems Engineering Implementation Examples ) consists of examples (case studies and vignettes), each set in a particular domain such as aerospace, medicine, or software, and featuring vocabulary and concepts special to that domain. There are similar vignettes in some of the Use Cases in Part 1. These examples demonstrate the effect of domain on the application of SE and complement the domain-independent information elsewhere in the SEBoK. They show how a concept works in a given domain and provide a fair opportunity for reviewers to reflect on whether there are better ways to capture application-dependent aspects of SE knowledge.

In addition, the SEBoK will contain knowledge areas in Part 4: Applications of Systems Engineering which explicitly describe the domain specific language, approaches, specialized processes and tools, etc. of particular application domains. In this version of the SEBoK, there are a limited set of domain knowledge areas.

The SEBoK authors & editors recognize the value of both case studies and domain extensions; both will be expanded in later versions.

References

Works Cited

GAO. 2016. Weapon System Requirements. Detailed Systems Engineering Prior to Product Development Positions Programs for Success. Government Accounting Office Report to Congressional Committees.

Gruhl, W. and Stutzke, R. 2005. "Werner Gruhl analysis of SE investments and NASA overruns," in R. Stutzke, Estimating Software-Intensive Systems. Boston, MA, USA: Addison Wesley, page 290.

Johnson, J. 2006. My Life Is Failure: 100 Things You Should Know to Be a Better Project Leader. Boston, MA, USA: Standish Group International.

Leveson, N. 2012. Engineering a Safer World: Systems Thinking Applied to Safety. Cambridge, MA, USA: MIT Press. STOPPED HERE NDIA (National Defense Industrial Association). 2003. Top 5 Systems Engineering Issues within DOD and Defense Industry: Task Report. Version 9, released 1/23/03. Available at: https://www.aticourses.com/sampler/TopFiveSystemsEngineeringIssues_In_DefenseIndustry.pdf. Accessed October 25, 2019.

NDIA (National Defense Industrial Association). 2006. Top 5 Systems Engineering Issues within DOD and Defense Industry DOD and Defense Industry: Task Report. Version 8a, released July 26-27, 2006. Available at: https://ndiastorage.blob.core.usgovcloudapi.net/ndia/2006/systems/Wednesday/rassa5.pdf. Accessed October 25, 2019.

NDIA (National Defense Industrial Association). 2016. Top Systems Engineering Issues In US Defense Industry 2016. Version 7c. Available at: https://www.ndia.org/-/media/sites/ndia/divisions/systems-engineering/studies-and-reports/ndia-top-se-issues-2016-report-v7c.ashx?la=en. Accessed October 25, 2019.

Primary References

None.

Additional References

None.


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SEBoK v. 2.5, released 15 October 2021