000 00248nam a2200109Ia 4500
082 _a658.403 4
_bVER
100 _aVerma, A.P.
245 _aOperation research
260 _aDelhi
_bS.K.Kataria and Sons
_c1998
300 _a1031p.
650 _aManagement
999 _c7387
_d7387