Groeneboer, Kees, author
Faculty of Humanities University of Indonesia, 1999
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Ambar Purwandari, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1995
UI - Skripsi (Membership)
Diah Putri Hardianti, author
2016
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Maman Soetarman Mahayana, author
Universitas Indonesia, 1994
UI - Laporan Penelitian
Mimi Nureni Honggokoeswoyo, author
Universitas Indonesia, 1983
UI - Skripsi (Membership)