Report of the director general on the activities of the organization in 1984-1985. 

 - París :  UNESCO,  1986. 
 - xxxvii, 314 p. :  map., lamns. 
<br/><br/> Communicated to Menber States and the Executive Board in accordance with Article VI.3.b of the Constitution. 
<br/><br/><label>ISBN: </label>9231024418 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>DO 341.16: 001(047) (100)=20 1984-85 INF.