Mark Schaefer
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Mark Schaefer
Return On Influence: The Revolutionary Power of Klout, Social Scoring, and Influence Marketing
€ 47,25
Winner of a Choice Magazine Outstanding Academic Title Award!
We are on the cusp of a marketing revolution.
And it is being led by you. Meer
Mark Schaefer€ 31,35
Mark Schaefer€ 47,25