000 00271nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a511.33
100 _aSD SHARMA
245 0 _aOPERATIONS RESEARCH
260 _bKEDAR NADH RAM
365 _b275.00
942 _cBTECH
999 _c169888
_d169888