Christian, Gary D., author
John Wiley & Sons, 1994
Buku Teks
Dick, J.G., author
McGraw-Hill, 1973
Buku Teks
Christian, Gary D., author
John Wiley & Sons, 1980
Buku Teks
Kennedy, John H., author
Saunders College, 1990
Buku Teks
Skoog, Douglas A., author
Thomson-Brooks/Cole, 2004
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