Riggs, Douglas Shepard
The Williams&Wilkins , 1963
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Rubinow, S. I., author
Society for Industrial and Applied Mathematics, 1973
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Rashevsky, Nicolas
Charles C Thomas , 1964
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Steel, Robert George Douglas, 1917-, author
McGraw-Hill , 1980
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Causton, David R., author
Gadjah Mada University Press, 1993
Buku Teks