Wagnes, Harvey M.
John Wiley & Sons Inc, 1962
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Putu Merra Sri Diana, author
FAkultas Ekonomi dan Bisnis Universitas Indonesia, 2020
UI - Tugas Akhir
Brown, Robert G., author
McGraw-Hill, 1959
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Muller, Max, author
Amacom, 2011
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Buchman, Joseph, author
Englewood Cliffs, NJ, Prentice-Hall
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