Voorbeeld (1)
Goal/qpc offers people practical tools for continuous improvement, quality, and organizational transformation. best known for our memory jogger series, its one of the world’s best selling organizational improvement tools.
http://www.goalqpc.com/
Voorbeeld (2)
Voorbeeld (2)
http://www.shsu.edu/~mgt_ves/mgt481/lesson4/sld008.htm