000			00334nam a2200133Ia 4500
008			220901s1994 xx 000 0 eng d
020			_a8185727163
082			_a004 hN4;2
100			_aKhurana, Usha
245			_aComputer praveshika
260			_aNew Delhi _bTakshila Prakashan _c1994
650			_aComputers _9363
942			_2ddc _cBK
999			_c12078 _d12078