Pal, B. K. <br/><br/>
Bal manovigyan 
B. K. Pal 
 - New Delhi  Discovery pusblishing house  2010 
 - 321p. 
<br/><br/><label>ISBN: </label>978-81-8356-679-7  900 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology