https://www.rummlerbrache.com/3-levels-performance
I: The Organization Level
II: The Process Level
III: The Job/Performer Level
The Nine Performance Variables
Using the Three Levels Framework
https://www.rummlerbrache.com/process-improvement-methodology
Book: https://learning.oreilly.com/library/view/improving-performance-how/9781118239025/c16.xhtml#c16-sec1-0005
Instructor Material: https://bcs.wiley.com/he-bcs/Books?action=index&itemId=1118143701&bcsId=7854