000			00320nam a2200133Ia 4500
008			241226s9999 xx 000 0 und d
020			_a0
082			_a338.54 _bGUP
100			_aGupta G S
245		0	_aManagerial economics
260			_aNew Delhi : _bTata Macgrow Hill, _c2021.
350			_a81
650			_aManagement
999			_c162629 _d162629