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Kosso, Peter
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Buku Teks SO
edited by Richard Boyd, Philip Gasper, and J. D. Trout
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Buku Teks SO
edited by Anthony Elliot
Blackwell, 1999
Buku Teks SO
Suma Riella Rusdiarti
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2004
UI - Tesis Membership