Quality management
PDCA circle (Deming) – Six Sigma (Motorola 1980) – Ishikawa diagram (Kawasaki) – Five whys (Toyota)
Operations management
Kaizen – Lean manufacturing (Toyota 1988)
ICT management
ITIL (Information Technology Infrastructure Library) (CTCA 1989) – COBIT (Control Objectives for Information and Related Technologies) (ISACA 1996) – DevOps (2009)
PMBOK (Project Management Body of Knowledge) (PMI 1987) – Prince2 (Projects in Controlled Environments, version 2) (CGC 1989)
Marketing management
Ansoff product-market expansion matrix (Ansoff 1957) – 4P marketing mix model (McCarthy 1960) – Growth-share matrix (BCG 1970)