ISO IEC 24773-3 pdf – Software and systems engineering — Certification of software and systems engineering professionals — Part 3: Systems engineering 5.3.2 Reference body of knowledge The reference BOK is the INCOSE Systems Engineering Handbook2, which describes the followingknowledge areas (i.e., processes, methods and activities) in systems engineering: a) Generic Life Cycle Stages b) Agreement ProcessescTechnical Processes d) Technical...