Kotter, John P., 1947-, author
Harvard Business School, 1996
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Kotler, John P.
Gramedia Pustaka Utama, 1997
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Kotter, John P., 1947-, author
Gramedia Pustaka Utama, 1997
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Lancaster, Jeanette, author
Mosby, 1999
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Lucas, Ann F., author
Jossey-Bass Publishers , 2000
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