Columbus, Louis. <br/><br/>
Learn computers in a day /  
Louis Columbus. 
 - New Delhi :   BPB Publications ,   1997. 
 - xviii,180p. :   figs ;   23cm .  
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<br/><br/><label>ISBN: </label> Rs.54/- (Hb) 
<br/><br/><label>Subjects--Index Terms: </label>COMPUTERS 
<br/><br/><label>Dewey Class. No.: </label>004  / COL/L