000			00327nam a22001457a 4500
020			_a9788184873795
082			_a658.403 DEV
084			_2Colon Classification
100			_aDevi Prasad
245			_aOperation Research
260			_aNew Delhi : _bNarosa, _c2015
300			_a532p. :
650			_aResearch
942			_cBK
999			_c525636 _d525636