Marketing by the numbers how to measure and improve the ROI of any campaign

Dades bibliogràfiques
Autor principal:	Harden, Leland
Altres autors:	Heyman, Bob, 1948-
Format:	Llibre
Idioma:	English
Publicat:	New York Amacon c2011.
Matèries:	Internet marketing. Internet marketing > Case studies.