Ariyarathna, J.K.P. <br/><br/>
රසායන විද්‍යාවේ මූලධර්ම 
= rasayana widyawe muladharma prathama kandaya 


 - Colombo:  Lake House,  1979. 
 - 349p.;  21cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chandrens'  Literature
<br/><br/><label>Dewey Class. No.: </label>540  / ARI