Smith, Robert Leo
Benjamin Cummings, 2001
Buku Teks
Benton, Allen H.
Tata McGraw-Hill, 1976
Buku Teks
Benton, Allen H.
Burgess Publishing Company, 1972
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Anthony W.D. Larkum, editor; Robert J. Orth; Carlos M. Duarte
Springer, 2006
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Oxford University Press, 2016
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