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Gramedia Pustaka Utama, 1997
Buku Teks
Franck, Karen A., author
Wiley-Academy, 2000
Buku Teks
Gunther, John, 1901-1970, author
Harper & Brothers, 1941
Buku Teks
Gunther, John, 1901-1970, author
Hamish Hamilton, 1961
Buku Teks
Gunther, J.
Information administration, 1955
Buku Teks