000 00291nam a2200133Ia 4500
100 _aGupta /P.K.
942 _cBK
654 _aResearch 2Ed
245 _aOperation Research 2/Ed
260 _bS.Chand & Company Ltd.
_aNewDelhi
_c1983
300 _a1055
546 _aENGLISH
999 _c19768
_d19768