Joyce Cox...[et.al]
Microsoft Press, 2007
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Graver, Robert T.
Prentice-Hall, 2001
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Muhammad Fakhri Husein
Salemba Infotek, 2002
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Graver, Robert T.
Prentice-Hall, 2002
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HInkle, Deborah
Glencoe/McGraw-Hill , 2002
Buku Teks