HETTIYARACHCHI, Namal Dammika <br/><br/>
Buddhi pareekshanaya saha abhiyogyatha athpotha 

 - Colombo  Godage  2005 
 - 186p 
<br/><br/><label>ISBN: </label>9552083648 
<br/><br/><label>Dewey Class. No.: </label>153.94