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Buku Teks
edited by Nimrod Raphaeli
Allyn and Bacon, 1967
Buku Teks
Ayurisya Dominata
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2016
UI - Tesis (Membership)
Christian Soe
McGraw-Hill, 2004
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Barringron, Lowell
Wadsworth and Cengage Learning, 2013
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