Kodituwakku ,Karunasena . <br/><br/>
Unemployment In Sri  Lanka /  English. 
Karunasena Koddithuwakku . 
 - Sri Lanka :  Sri Lanka Institute Development Administration , 
 - 34p.:  ill.;  26cm. 
<br/><br/><label>Dewey Class. No.: </label>331.137095493  / KOD