1
by Safko, Lon.
Published 2009
Subjects: ...Social media Economic aspects. sh2010113589 http://id.loc.gov/authorities/subjects/sh2010113589...
Book
2
by Qualman, Erik, 1972-
Published 2011
Subjects: ...Social media. sh2006007023 http://id.loc.gov/authorities/subjects/sh2006007023...
Book