Narang, B.S.
New Delhi: CBS, 1982
Buku Teks
Shackelford, James F., author
Pearson-Prentice Hall, 2005
Buku Teks
Shackelford, James F., author
Macmillan Press, 1990
Buku Teks
Van Vlack, Lawrence H., author
Addison-Wesley, 1980
Buku Teks
Ashby, Mike, author
Butterworth-Heinemann, 2014
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