olemus
ISO/IEC/IEEE 24765:
korduv tegevus teenusenõuete täitmise võime suurendamiseks
= recurring activity to increase the ability to fulfill service requirements

ISO 22300, ISO/IEC 27000 jt:
korduv tegevus soorituse parendamiseks
= recurring activity to enhance performance

ülevaateid
https://en.wikipedia.org/wiki/Continual_improvement_process

https://www.bywater.co.uk/faqs/what-is-the-difference-between-continuous-and-continual-improvement/

https://www.ders.es/AS9100/plura.pdf

https://www-pub.iaea.org/MTCD/publications/PDF/te_1491_web.pdf

https://www.iso-9001-checklist.co.uk/10.3-continual-improvement-eur.htm