Allen, John <br/><br/>
Basic education for all :  The Afghan experience ; conceptual framework and strategies / 
John Allen. 
 - Paris :  UNESCO,  1994. 
 - 33 p. 
 - ED-94/WS/27 .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.018.8 (581) =20 "1994" ALL