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Buku Teks
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Prentice Hall International English Language Teaching , 1994
Buku Teks
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Scott, Foresman and Company, 1965
Buku Teks
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Buku Teks
Mantu, Poppie Indriyanti, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2003
UI - Tesis (Membership)