Smith, J. M., author
McGraw-Hill , 1970
Buku Teks
Smith, J. M., author
McGraw-Hill, 1981
Buku Teks
Steinfeld, Jeffrey I., author
Prentice-Hall, 1999
Buku Teks
Coker, A. Kayode, author
Gulf Professional Publishing, 2001
Buku Teks
Coker, A. Kayode
Butterworth-Heinemann, 2001
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