Sharma,Suresh K. <br/><br/>
Communication and Educational Technlogy 

 - 2nd Ed. 
 - New Delhi  Elsevier  2012 
 - 456 p 
<br/><br/>text 
<br/><br/><label>ISBN: </label>9788131246542  Rs. 475/- 
<br/><br/><label>Dewey Class. No.: </label>362  / SHA