Maini.A.K <br/><br/>
Objective Type Questions and Answers on ETC. and Communication. 

 - 10th. 
 - Delhi  Khanna Pub.  2006 
 - xv,928P. 
<br/><br/><label>ISBN: </label> Rs.235/- 
<br/><br/><label>Dewey Class. No.: </label>621.380 413