Mangal, S K <br/><br/>
Essentials of educational psychology /  
S K Mangal 
 - New Delhi :  Prentice-Hall of India,  2007. 
<br/><br/><label>ISBN: </label>9788120330559 
<br/><br/><label>Dewey Class. No.: </label>370.15  / MAN/E