Wagner, Harvey M., author
Prentice-Hall, 1972
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Wagner, Harvey M., author
Prentice-Hall, 1969
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Ravindran, A., author
John Wiley & Sons, 1987
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Gupta
S.CHAND & COMPANY LTD., 1979
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Pangestu Subagyo, author
BPFE-UGM, 1989
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