I.A. Suparman
Rajawali, 1990
Buku Teks
Zanten, Wim van, author
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Buku Teks
Erickson, Bonnie H., author
LP3ES, 1983
Buku Teks
Gravetter, Frederick J., author
Salemba Empat, 2014
Buku Teks
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McGraw-Hill, 1990
Buku Teks