De Grauwe, Anton <br/><br/>
School supervision in four African countries, volume II :  National diagnoses; Botswana, Namibia, Tanzania, Zimbabwe/ 
Anton De Grauwe. 
 - Paris :  UNESCO;  IIEP,  2001. 
 - 304 p. ;  il. 
 - Trends in school supervision .
<br/><br/><label>ISBN: </label>9280312073 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.014.6 (6) =20 "2001" DEG Vol. II.