Voice and Data  The Business of Communication 

 - National  Gupta, Pradeep. New Delhi  2002-2003 
 -  9 .
<br/><br/> Issue No.1-4,6-9,12 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>Voice<br/>Data<br/>Telecommunication