Shukla Rajiv <br/><br/>
Communication technologies   Changes and challenges. 
Shukla Rajiv 
 - New Delhi  Rajat Publications       2000 
 - vi,303p.  cm. 
<br/><br/><label>Standard No.: </label>108124 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>4:(D6,8(B)), P0