Schwartz, Lita Linzer, author
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Buku Teks
Rhenald Kasali, author
Gramedia Pustaka Utama, 2017
Buku Teks
Northrop, Cyhthia E
Mosby , 1987
Buku Teks
Moliterno, James E., author
Thomson/West, 2007
Buku Teks
Brooks, Elizabert C, author
Jones & Bartlett Learning, 2013
Buku Teks