“Six questions respects it. Twenty questions doesn't.”
Guerrilla Marketing, 4th edition: Easy and Inexpensive Strategies for Making Big Profits from Your SmallBusiness
Jay Conrad Levinson - nous ne avons pas une description plus détaillée de l'auteur.
“Six questions respects it. Twenty questions doesn't.”
Guerrilla Marketing, 4th edition: Easy and Inexpensive Strategies for Making Big Profits from Your SmallBusiness