jan
13
2019
GripHet geheim van slim werkenRick Pastoor
Bij Bol.com | Managementboek | Amazon.nl
If you can't explain it to a six year old, you don't understand it yourself.
Albert Einstein
Learn Better Mastering the Skills for Success in Life, Business, and School, or How to Become an Expert in Just about AnythingUlrich Boser
Bij Bol.com