Aggarwal, J. C. <br/><br/>
Principles, methods and techniques of teaching 

 - 2nd rev ed 
 - Noida  Vikas Publishing House  2010 
 - 427 
<br/><br/><label>ISBN: </label>978-81-259-10566 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>371.102