Leon, Mathews <br/><br/>
Fundamental of information technology 

 - 2nd Ed. 
 - Noida  M/S Vikas Pub.  1999 
 - 578p. 
<br/><br/><label>ISBN: </label>978-81-8209-245-7 
<br/><br/><label>Universal Decimal Class. No.: </label>4  / LEO/FUN