Sumanasekara, Manike <br/><br/>
ධනාත්මක චින්තන දේශන 
= dhanathmaka chinthana deshana 


 - Colombo;  Authors  Pub,  2003. 
 - 146p.  21cm 
<br/><br/><label>ISBN: </label>955-96628-5-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Applied Psychology
<br/><br/><label>Dewey Class. No.: </label>158.15  / SUM