Chadha,Prem R. <br/><br/>
Question bank in electronics and communication engineering: also covers BSNL, JTO/by Prem R. Chadha 

 - New delhi  Galgotia publications  2010 
 - 974p. 
<br/><br/><label>ISBN: </label>8186340610 
<br/><br/><label>Dewey Class. No.: </label>621.38079  C344Q