Salmon, Rod
Addison-Wesley, 1987
Buku Teks
Hill, Francis S.
Macmillan, 1990
Buku Teks
Hearn, Donald
Prentice-Hall, 1986
Buku Teks
by Donald Greenberg [and others]
Addison-Wesley, 1982
Buku Teks
Dimitri Plemenos, editor
[Springer-Verlag, ], 2012
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