Perera, H.A.S. <br/><br/>
දැනුම 
= danuma-1 


 - Colombo:  Apa, 
 - 32p.;  20cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge
<br/><br/><label>Dewey Class. No.: </label>001  / PER