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Buku Teks
Clinton, Bill, author
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Buku Teks
Trias Misi Sentani, author
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UI - Skripsi (Membership)
general editor, Kenneth B. Clark and Jeannette Hopkins
Harper and Row, 1969
Buku Teks
Rusi Jaspal, Glynis M. Breakwell, editors
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Buku Teks