Greenough, Richard <br/><br/>
Africa calls... :  development of education, the needs and problems / 
Richard Greenough. 
 - 2a. ed. 
 - Paris :  UNESCO,  1962. 
 - 50 p. ;  il., map. 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37 (6) =20 "1962" GRE.