Brown, Robert G.
McGraw-Hill, 1959
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Muller, Max
Amacom, 2011
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Buchman, Joseph
Englewood Cliffs, NJ, Prentice-Hall
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Brown, Robert Goodell
New York, N.Y., Holt, Rinehart and Winston
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Dania Amani Yapono
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2021
UI - Tesis Membership