by Emil Ihrig ... [and others]
Osborne McGraw-Hill, 1991
Buku Teks SO
Ganjar Darmayekti
Elex Media Komputindo, 2008
Buku Teks SO
Levine, John R.
IDG Books, 1994
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Angell, David
IDG Books, 1995
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Burd, Barry
John Wiley & Sons, 2014
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