Jayasinghe, Sarath <br/><br/>
විදු ඇසින් බලමු    
= widu asin balamu 


 - Diulapitiya :  Saraswathi prakashana,  1993. 
 - 92p.;  19cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science<br/>General knowledge
<br/><br/><label>Dewey Class. No.: </label>507  / JAY