Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1990
UI - Skripsi (Membership)
Athaya Yumna, author
Fakultas Hukum Universitas Indonesia, 2023
UI - Skripsi (Membership)
Brown, Robert H.
Witherby & co. Ltd., 1975
Buku Teks
Koh, Soon Kwang, Peter
Longmans, 1989
Buku Teks
Mohammad Rizki Cahyadi, author
2018
UI - Skripsi (Membership)