Iwan Jaya Azis, 1953-, author
Cornell University, 1983
Buku Teks
Greene, Thomas H., author
Prentice-Hall, 1984
Buku Teks
edited by Brian Head
Oxford University Press, 1988
Buku Teks
Arrifa Vassily Kusumo, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2020
UI - Skripsi (Membership)
World Bank, 1974
Buku Teks