000 00280nam a2200121Ia 4500
008 160122s9999 xx 000 0 und d
041 _aEnglish
100 _aS D sharma
245 _aoperation reseatrch
260 _bMeerut:Kedernath
_c1996
300 _avpp.
650 _aManagement
999 _c3156
_d3156