United Nations Educational <br/><br/>
පන්ති කාමරයේ දී  
= Panthi kamarayedi 


 -  Deparment of Euducational Publications,  1971 
 - 52p.;  22cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Methods Study
<br/><br/><label>Dewey Class. No.: </label>371.3  / UNE