000			00316nam a2200133Ia 4500
008			241226s9999 xx 000 0 und d
020			_a0
082			_bNOR
100			_aNorton Peter
245		0	_aIntroduction to computer
260			_aNew Delhi : _bMac Grow Hill, _c2021.
350			_a395
650			_aManagement
999			_c172500 _d172500