International conference on education 32nd session 

 - Geneva  1970 
<br/><br/><label>Standard No.: </label>148,620 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>Tp1:N70, L0