Unesco list of documents and publications 1980. 

 - Paris :   Unesco,   1976. 
 - 18 p. ;  29 cm 
<br/><br/>300  300 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Document.
<br/><br/><label>Dewey Class. No.: </label>016.655 / U3l