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Business Publications, 1987
Buku Teks
Gibson, Charles H.
South Western College , 2001
Buku Teks
Joo, Jalaleddin Soroosh
UMI research Press, 1982
Buku Teks
Bellandi, Francesco
Emerald, 2018
eBooks
Sinta Juliani
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2018
UI - Skripsi (Membership)