Goel,S.K. <br/><br/>
Communication media and information techonogy/by SK Goel 

 - New Delhi  Commonweath Publishers  1999 
 - 335p. 
<br/><br/><label>ISBN: </label>8171695728 
<br/><br/><label>Dewey Class. No.: </label>001.51  G552C