National languages and teacher training in Africa :  a methodological guide for the use of teacher training institutes / 
Joseph Poth. 
 - París :  UNESCO,  1980. 
 - 51 p.:  il. 
 - Educational studies and documents, new series ;  32 .
<br/><br/><label>ISBN: </label>9231016296 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>371.321 (6) =20 POT No.32.