Dreeni Geer, M. Abdus Sabur
Asian Resource Foundation, 2001
Buku Teks
Nabila Aisyah Ramadhina, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Skripsi (Membership)
Peretz, Don
Westview press, 1990
Buku Teks
Peretz, Don
Westview Press, 1990
Buku Teks
Leni Maria Anjelina, author
2017
UI - Skripsi (Membership)