Norton, Peter
Microsoft Corp., 1985
Buku Teks SO
Norton, Peter
[publisher not identified], [date of publication not identified]
Buku Teks SO
Krumm, Robert
A Brady Book, 1987
Buku Teks SO
Krumm, Robert
Prentice-Hall, 1987
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Simpson, Henry
McGraw-Hill, 1986
Buku Teks SO