000 00299nam a2200109Ia 4500
008 231219s9999 xx 000 0 und d
041 _aeng
100 _aSharma J.K
245 _aMathematical Models In Operations Research
260 _bTata Mcgrow Hill Pub. Co Ltd New Delhi
650 _aManagement
999 _c975698
_d975698