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Buku Teks
Willson, James D.
John Wiley & Sons, 1981
Buku Teks SO
Bradshaw, Thornton F.
Harvard University Press, 1950
Buku Teks SO
Hassler, Russell H.
Prentice-Hall, 1958
Buku Teks
Kurniawan
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2001
UI - Tesis Membership