Wulan Handayani
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2019
UI - Skripsi (Membership)
Mikdashi, Zuhayr
Cornell University Press, 1972
Buku Teks
Moran, Theodore H.
Resources for the Future, 1978
Buku Teks
Bachrawi Sanusi
Safin Akwa Muda, 1982
Buku Teks
Universitas Indonesia, 2005
UI - Skripsi (Membership)