Sanford, Edward
Winthrop, 1977
Buku Teks
Berkhofer, Jr, Robert F
Collier MacMillan Limited , 1969
Buku Teks
Jain, Surender Kumar
Thomson Brooks/Cole, 2004
Buku Teks
Fuhrmann, Paul A.
[, Springer Science], 2012
eBooks
Jain, Surender Kumar
Thompson-Brooks/Cole, 2004
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