Adler, Mortimer Jerome, 1902-2001
Holt, Rinehart and Winston, 1967
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Fahey, Liam
Emerald Publishing, 2020
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Gruman Jannata
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis Membership
Childe, V. Gordon
A Mentor Book, 1951
Buku Teks SO