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McGraw-Hill, 2012
Buku Teks
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McGraw-Hill, 1980
Buku Referensi
Rybski, Melinda., author
N.J. : SLACK, 2012
Buku Teks
Willems, Nicholas, author
McGraw-Hill, 1978
Buku Teks
Welis, Katharine F.
W B Saunders, 1966
Buku Teks