Influencer,
de kracht achter succesvol veranderen
Kerry Patterson, Joseph Grenny, David Maxfield, e.a.
okt
11
2011
Influencer,
de kracht achter succesvol veranderen
Kerry Patterson, Joseph Grenny, David Maxfield, e.a.
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Good advertising is a happy wedding of words and pictures, not a contest between them. Leo Burnett |
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Creatief denken Bij Bol.com of Managementboek |