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020			_a81-219-4100-8
082			_a658.4034 _bPRE/O
100			_aPrem Kumar Gupta.
245			_aIntroduction to operations research/
260			_aNew Delhi _bS Chand & Co. _c2012
300			_a1195p.
650			_aOperations research
650			_aLinear programming
650			_aProbability theory
650			_aQueuing theory
650			_aInvestment analysis
700			_aHira,D S.
700			_aAarti Kamboj.
942			_cBK
999			_c74017 _d74017