International conference on edfucation 36th session 

 - Unesco  International Bureau of Education      1977 
 - 69p.  cm. 
<br/><br/><label>Standard No.: </label>236,320 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T.1, L7