Vaasan. <br/><br/>
Uraiyaadal Mulam Vetri Peruvathu Eppadi / 
Vaasan. 
 - 8th ed. 
 - Chennai :  New Century Book House,  2011. 
<br/><br/><br/>In Tamil 
<br/><br/><label>ISBN: </label>9788123405073 
<br/><br/><label>Subjects--Index Terms: </label>Psychology