Tanguiane, Sema <br/><br/>
International yearbook of education volume XLII-1990 :  literacy and illiteracy in the world ; situation, trends and prospects / 
Sema Tanguiane. 
 - Paris :  Geneva,  UNESCO;  IBE,  1990. 
 - 163 p. 
<br/><br/><label>ISBN: </label>9231027042 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>OC 37 (100) =20 "1990" INN