Kumar, K. L. <br/><br/>
Educational technology: A practical textbook 

 - New Delhi  New Age  1996 
 - 331p. 
<br/><br/><label>ISBN: </label> RS 50.50 
<br/><br/><label>Source: </label> RS 50.50 
<br/><br/><label>Dewey Class. No.: </label>371.3078 KUM