000			00536nam a22001817a 4500
003			OSt
008			240515b1991 |||||||| |||| 00| 0 eng d
020			_a9788121909686
082			_a658.4034 _bGUP-P
100			_aGupta, Prem Kumar
245			_aProblems in operations research : _bprinciples and solutions / _cPrem Kumar Gupta and D S Hira.
250			_aRevised ed.
260			_aNew Delhi : _bS. Chand and Company Limited, _c1991.
300			_a1293 p. ;
650			_aOperations research
700			_aHira, D S
942			_2ddc _cBK
999			_c20517 _d20517