mei
31
2012
Bron: http://www.omdenken.nl/praktijk/casusarchief/813
You tried your best and you failed miserably. The lesson is 'never try'.
Homer Simpson
To Sell is HumanThe Surprising Truth About Persuading, Convincing, and Influencing OthersDaniel H. Pink
Bij Bol.com of Managementboek.nl