000 00272nam a2200109Ia 4500
008 190907s9999||||xx |||||||||||||| ||und||
100 _aChawla, Gupta, Sharma
245 0 _aOperations Research
260 _aNew Delhi
_bTata McGraw Hill
_c2008
300 _a250
942 _cBK
999 _c6399
_d6399