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Achmad Syarif, author
Universitas Indonesia, 2014
UI - Skripsi (Membership)
Glen Felix, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Tesis (Membership)
Clarke, Arthur C.
Harper and Row, 1965
Buku Teks
edited by Ulli Beier
University of Queensland Press, 1980
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