Kates, Andrea, author
McGraw-Hill, 2012
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Osterwalder, Alexander, author
Wiley , 2010
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Mohamad Aditya Witantra, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Skripsi Membership
Viguerie, Patrick, author
Marshall Cavendish, 2010
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David, Fred R., author
Pearson, 2015
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