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Buku Teks
Haywood, R.W. (Richard Wilson), author
J. Wiley, 1980
Buku Teks
Wijkander, Hans
Department of Economics. Universit of Stockholm, 1986
Buku Teks
Universitas Indonesia, 2014
UI - Skripsi (Membership)
Iqro Wahyu Pratama, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2020
UI - Skripsi (Membership)