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050 _aT56
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100 _aChang, Yih-Long.
245 _aQuantitative systems for business - QSB ver. 2.0 /
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501 _a302
650 _aManagement - Quantitative methods.
700 _aSullivan, Robert S.
260 _bPrentice-Hall
_c1986.
942 _cBK
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999 _c123
_d123