Jain Satish <br/><br/>
"O" - level made simple; information technology / 
Jain Satish. 
 - New Delhi:  BPB publications Publication, 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8170298725 
<br/><br/><label>Dewey Class. No.: </label>003.54 JAI