Nelson, Lowry, author
American Book, 1955
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Artikel Jurnal
Dewi Kartika Wati, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2014
UI - Tesis (Membership)
Loomis, Charles P., author
Prentice-Hall, 1957
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Asian and Pacific Development Administration Centre, 1980
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