000 00251nam a2200109Ia 4500
008 230919s9999 xx 000 0 und d
100 _aS.D SHARMA
245 0 _aOPERATIONS RESEARCH
250 _a2011
260 _bKNRN
500 _aDONATED BY IEM DEPT
999 _c114448
_d114448