Dalby, David <br/><br/>
The Educational use of African languages in Sub-Saharan Africa :  The Sate of the art / 
David Dalby. 
 - Paris :  UNESCO,  1985. 
 - 47 p. 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>372.88 (6) =20 "1985 DAL.