Dijk, Chr.H. van
T.J. Tjeenj Willink, 1995
Buku Teks
Chambers, Andrew D., author
Pitman, 1987
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Tanenbaum, Andrew S., 1944-, author
Prentice-Hall, 2003
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Bishop, Matt, author
Addison-Wesley, 2003
Buku Teks
Neijt, Anneke
Foris Publications, 1990
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