000			00328nam a2200133Ia 4500
008			240109s9999 xx 000 0 und d
041			_aeng
082			_a658.4034
100			_aTiwari N.K.
245			_aOperations Research[Tiwari]
260			_bPHI Learning Private Ltd. New Delhi
300			_a292
650			_aManagement
999			_c1042893 _d1042893