Xie, Shilong
Zheng Zhong Book, 1979
Buku Teks
Folks, J. Leroy, author
John Wiley & Sons, 1981
Buku Teks
Lamont, Douglas, author
Blackwell Publishers, 1996
Buku Referensi
Naugle, John E.
Holt, Rinehart and Winston, 1965
Buku Teks
Adams, Fred, author
[Springer, ], 2012
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