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Buku Teks
Moriarty, Sandra E. (Sandra Ernst), author
Kencana, 2011
Buku Teks
Crawford, John W., author
Allyn and Bacon, 1965
Buku Teks
White, Roderick, author
McGraw-Hill, 2000
Buku Teks
White, Roderick, author
McGraww-Hill , 2000
Buku Teks