1
by Leopold, Meike
Published 2013
O'Reilly
Subjects: ...Social media / Economic aspects...

2
by Schirmbacher, Martin
Published 2017
mitp Verlags GmbH & Co. KG
Subjects: ...Social media / Law and legislation / fast...

3
by Kobilke, Kristina
Published 2017
Mitp Verlags
Subjects: ...Social media / Marketing...