Cooper, Robert K., author
Orion Business Books, 1997
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Cooper, Robert K., author
Gramedia Pustaka Utama, 1998
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Cooper, Robert K., author
Gramedia Pustaka Utama, 2000
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Tri Ratna Murti, author
2003
UI - Disertasi (Membership)
Caruso, David R., author
Jossey-Bass, 2004
Buku Teks