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Pearson, pearson education International, 2009
Buku Teks
Redwood, Stephen, author
John Wiley & Sons, 1999
Buku Teks
Corel Corporations, 2004
Multimedia
Shubin, John A., author
Barnes & Noble Books, 1957
Buku Teks
Kremer, Chuck, author
Perseus Publishing, 2000
Buku Teks