Pathak R P <br/><br/>
Shiksha mein anusandhan evam sankhiakee 

 - New Delhi, India  Kanishka Publishers  2012 
 - xiii, 302p. 
<br/><br/><label>ISBN: </label>978-81-7835-937-3 
<br/><br/><label>Source: </label>TextBook