UNESCO <br/><br/>
Unesco: IBE educatin thesaurus 

 - 4th rev. 
 - France  United Nations Educational, Scientific and Cultural Organization  1984 
 - xvi, 345p 
<br/><br/><label>ISBN: </label>92-3-102061-7 
<br/><br/><label>Dewey Class. No.: </label>370.3 UNE-