Diyasena, W. <br/><br/>
Pre-vocational education in Sri Lanka : / 
by W. Diyasena. 
 - Paris :  Unesco,  1976. 
 - 50 cm. :  ill. ;  21 cm. 
 - Experiments and innovations in education  no.28. .
<br/><br/><label>ISBN: </label>9231014048 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Sri Lanka