Leon, Alexis., <br/><br/>
A Beginner's Guide to Computers 
Alexis Leon, Mathews Leon 
 - Chennai :  Leon Vikas,  c2001. 
 - xiii,   [06] 
<br/><br/><label>ISBN: </label>8125910298 
<br/><br/><label>Dewey Class. No.: </label>004  / LEO/BEG