Hamel, Gary, author
Harvard Business School Press, 2002
Buku Teks
Morrisey, George L., author
Pearson Education Asia, 2002
Buku Teks
Catmull, Edwin, author
Random House Canada, 2014
Buku Teks
Caroselli, Marlene, author
Amacom, 2011
Buku Teks
Caroselli, Marlene, author
[American Management Association;, ], 2011
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