Day, Richad
Prentice Hall International, 1982
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Halderman, James D., author
Prentice-Hall, 2001
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Syarafi Auzan Mu`min, author
2016
UI - Skripsi (Membership)
Halderman, James D., author
Pearson - Prentice Hall, 2006
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Ralbovsky, Edward
Delmar Publishers, 1996
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