Drucker, Peter Ferdinand, 1909-2005
Harper & Row, 1964
Buku Teks SO
Drucker, Peter Ferdinand, 1909-2005
Gramedia, 1975
Buku Teks SO
Balle, Michael
McGraw-Hill, 1994
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Bean, Roger
AMACOM, 2002
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Stewart, Rosemary
Prentice-Hall, 1982
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