Chadha ,Prem. R. <br/><br/>
Question Bank in Electronics And Communication Engineering. 

 - 2nd. 
 - New Delhi  Galgotia pubs.  2006 
<br/><br/><label>ISBN: </label> Rs.320/- 
<br/><br/><label>Dewey Class. No.: </label>621.380 413