000			00371nam a2200181Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
082			_a658.57
100			_aHira D. S.
245		0	_aOperation research
260			_aNULL
260			_bS Chand And Com.
260			_c2003
300			_a1055p.
365			_b175
650			_aMBA
942			_cDBK
999			_c27653 _d27653