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Buku Teks
McCaque, James
Harper & Row Publishers , 1964
Buku Teks
Lowenstein, Katharin Wendy, author
Hyland House Publishing , 1977
Buku Teks
Baginda Aidhil Subur, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2017
UI - Tesis (Membership)
Wiles, David, author
Cambridge University Press, 2011
Buku Teks