Young Margaret Levine <br/><br/>
Internet Complete Reference: Explains Web-based chat, newsgroups, instant messaging, and voice and video conferencing 

 - 2nd 
 - New Delhi  Tata McGraw Hill  2013 
 - 857 
<br/><br/><label>ISBN: </label>9780070486997 
<br/><br/><label>Dewey Class. No.: </label>004.678 YOU