Jayasuriya, J.E. <br/><br/>
විභාග ලකුණු විද්‍යාව 
= wibhaga lakunu widyawa 


 - Colombo:  Lakehouse Investment,  1973. 
 - 108p.;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School Education
<br/><br/><label>Dewey Class. No.: </label>371.26  / JAY