Diyasena, W. <br/><br/>
Pre-vocational education in Sri Lanka / 
by W. Diyasena. 
 - Paris :  UNESCO Press,  1976. 
 - 50 p. ; 
<br/><br/><label>ISBN: </label>9231014048 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Elementary
<br/><br/><label>Dewey Class. No.: </label>372.95493  / Pr