Ortega, James M., 1932- , author
Society for Industrial and Applied Mathematics, 1990
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Wonnacott, Thomas H., 1935-, author
John Wiley & Sons, 1981
Buku Teks
Williamson, Richard E.
Prentice-Hall, 1979
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Knop, Larry E., author
CRC Press, 2009
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McKeague, Charles P., 1946-, author
Brooks/Cole Cengage Learning, 2012
Buku Teks