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Sinaga, Agustinus Alexander, author
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2023
UI - Tesis (Membership)
Joanna Pfaff-Czarnecka, Gelrard Toffin. editor
Sage, 2011
Buku Teks
Esposito, John L., author
Syracuse University Presss, 1984
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Bone, Hugh A., author
University of Washington Press, 1958
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