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Sonja Hammel

Sonja Hammel is the author of "Werbewirksamkeit des Mobile Marketing", "Mobiles Marketing - Welche Erkenntnisse Liefert Die Forschung?" and "Wirkung Von Werbung in Sozialen Netzwerken".

Books by Sonja Hammel
Werbewirksamkeit ...
Hammel, Sonja
Undefined: $21.90
Mobiles Marketing...
Hammel, Sonja
Paperback: $58.50
Wirkung Von Werbu...
Hammel, Sonja
Paperback: $23.50
Mobiles Marketing...
Hammel, Sonja
Paperback: $39.90