Statistical Yearbook :   annuaire statistique  anuario estadistico 1977. 

 - Paris :   UNESCO,   1978.  
 - 1064 p. ;  28 cm. 
<br/><br/>63  63 
<br/><br/><label>ISBN: </label>92-3-001598-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education Statistics
<br/><br/><label>Dewey Class. No.: </label>310.58 / S29