000 00315nam a2200121Ia 4500
005 20240713150414.0
008 240712s9999 xx 000 0 und d
041 _aeng
100 _aKothari, c.r.
245 _aAn introduction to operational research
260 _aNew Delhi
_b Vikas pub. House
_c2013
300 _a522
999 _c28941
_d28941