Vasan . <br/><br/>
Entrum Payan Tharum Eliya Sila Yosanaikal / 
Vasan. 
 - 3rd ed. 
 - Chennai :  New Century Book House,  2005. 
<br/><br/><br/>In Tamil 
<br/><br/><label>ISBN: </label>8123401981 
<br/><br/><label>Subjects--Index Terms: </label>Psychology