000			00293nam a2200133Ia 4500
008			200615s9999||||xx |||||||||||||| ||und||
082			_a650 _bOPE-S
100			_aSHARMA,SD
245		0	_aOPERATION RESEARCH
250			_a1ST
260			_aNew Delhi _bKNRN _c2018
300			_a405
942			_cBK
999			_c27837 _d27837