Mangal, S K <br/><br/>
Shiksha manovigyan (Hindi) 

 - New Delhi  Prentice Hall of India P  2008 
 - 768 
<br/><br/><label>ISBN: </label>81-203-3280-5 
<br/><br/><label>Dewey Class. No.: </label>370.15 MS: