000 00309nam a2200133Ia 4500
100 _aGupta/Premkumar/ Hira/D.S
942 _cBK
654 _aOperation
245 _aOperation Research:An Introduction
260 _bS.Chand
_aNew Delhi
_c1986
082 _a658.4034
_bGUP
300 _a918
546 _aENGLISH
999 _c30560
_d30560