mei
29
2011
If you can't describe what you are doing as a process, you don't know what you are doing.
William Edwards Deming
Customers never know what they want until they see what they get.
John F. Sowa
Groot coachingsmodellenboek 50 modellen voor ontwikkeling van lichaam en geestHanno Meyer (e.a.)Bij Bol.com | Amazon.nl | Managementboek