Halsall, Fred.  <br/><br/>
Multimedia communications / 

 - New Delhi,  Pearson Education,  c2007. 
 - 1050 p. ;  ill. ;  24 cm.  
<br/><br/><label>ISBN: </label>8131700949 
<br/><br/><label>Dewey Class. No.: </label>006.7