Smith, Mike (J. Mike), author
Australia Brodcasting Corporation , 1986
Buku Teks
Buchsbaum, Walter H., author
Prentice-Hall, 1978
Buku Referensi
Buchsbaum, Walter H., author
Prentice-Hall, 1978
Buku Referensi
Tare, Ramkrishna S., author
McGraw-Hill, 1988
Buku Teks
Hoque, Reaz
M & T Books;, 1997
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