000 00266nam a2200121Ia 4500
100 _aKOTHARI,CR
365 _cRS
365 _d1
942 _cMBABK
245 _aAn Introduction to Operational Research
260 _bVikas pub.
_c2000
_aNew Delhi
300 _axv+522pp
999 _c25462
_d25462