CH KRANTHI REKHA <br/><br/>
DIGITAL COMUNICATION 

 - 2ND 
 - DELHI  SCITECH PUBLICATION  2003 
 -  `650P 
<br/><br/><label>ISBN: </label>978-81-8371-093-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>004.6/REK/DIG