Hawryszkiewycz, Igor Titus, author
Prentice-Hall, 1991
Buku Teks
Hawryszkiewycz, Igor Titus, author
Prentice-Hall, 1998
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Satzinger, John W., author
Course Tecnology Cengage, 2012
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Hawryszkiewycz, Igor Titus, author
Prentice-Hall, 1988
Buku Teks
Whitten, Jeffrey L.
2001
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