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UI - Skripsi (Membership)
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LP3ES, 1991
Buku Teks
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Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1985
UI - Skripsi (Membership)
Hall, D.G.E.
London, Hutahinson University Library, (1960)
Buku Teks
Hall, D.G.E., author
University of Pennsylvani Press, 1971
Buku Teks