000			00380nam a2200145Ia 4500
008			190829s9999 xx 000 0 und d
020			_a81-219-0810-8
082			_a658.403 4 _bGUP/I
100			_aGUPTA P. K
100			_aHIRA, D.S.
245		0	_aINTRODUCTION TO OPERATIONS RESEARCH
250			_a1st Ed.
260			_bS. Chand & Company Ltd, New Delhi _a _c1995
942			_cBK
999			_c15386 _d15386