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082 _a001.424
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100 1 _aGupta, P. K.,
_9133
_cPh. D., D. Litt.
245 0 _aOperations Research /
_cP K Gupta ; D S Hira
260 _bS Chand And Company,
_c2001.
_aNew Delhi:
300 _a1055p
650 _aOperation Research
942 _cBK
_2ddc
_h001.424
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