000 00317nam a2200133Ia 4500
082 _bGUP
100 _aGupta, Prem Kumar
245 _aProblems in oprations research
260 _aNew Delhi
_bS. Chand and Company
_c1999
300 _a1078P
650 _aMechanical Engineering
700 _aHira, D.S.
044 _aIndia
999 _c740
_d740