Prasher R G <br/><br/>
Information and its communication. 

 - New Delhi  Medallion Press       1991 
 - 224p.  cm. 
<br/><br/><label>Standard No.: </label>120596 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>2:97, N1