Perera, W. Rupasinghe <br/><br/>
දෑතින් දෑසට 
= dethin desata 


 - Colombo:  S. Godage,  2001. 
 - xv,125p.;  21cm 
<br/><br/><label>ISBN: </label>955-20-4796-x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>371.9  / PER