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Wardsworth, 2004
Buku Teks
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Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Tesis (Membership)
Deitchman, S.J.
Westview Press, 1991
Buku Teks
Roby Burrahman, author
Program Pascasarjana Universitas Indonesia, 2014
UI - Tesis (Membership)
Schottland, Charles I.
Appleton-Century-Crofts, 1963
Buku Teks