juli
16
2014
Satisfaction lies in the effort, not in the attainment. Full effort is full victory. Mahatma Gandhi
Essentially, all models are wrong, but some are useful.
George E.P. Box
To Sell is HumanThe Surprising Truth About Persuading, Convincing, and Influencing OthersDaniel H. Pink
Bij Bol.com of Managementboek.nl