000 00303nam a2200133Ia 4500
100 _aswarup kanti & premkumar
942 _cBK
366 _f20
654 _aoperation research
245 _aOperations Research
260 _bSultanchand & sons
_aNew Delhi.
_c1983
300 _a827
546 _aENGLISH
999 _c32230
_d32230