jain, satish <br/><br/>
'O' level - made simple computer course  

 - 1 
 - new delhi   bpb publications  2004 
 - 111 p; 21 cmsp 
<br/><br/><label>ISBN: </label>81-7656-729-9 
<br/><br/><label>Dewey Class. No.: </label>1.642  / jai/jai