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Buku Teks
Schneiderman, Lawrence J., author
Addison-Wesley, 1981
Buku Teks
Edward Arnold , 1994
Buku Teks
Goel, S. L., author
Deep & Deep Publications PVT, 2001
Buku Teks
Swage, Thoreya, author
Butterworth-Heinemann , 2004
Buku Teks