Poth, Joseph <br/><br/>
The Teaching of non-mother tongues :  An educational psychology-based approach geared to the educational context in multilingual African countries / 
Joseph Poth. 
 - Paris :  UNESCO,  1997. 
 - 27 p. ;  il. 
 - Linguapax practical guide ;  3 ED.98/WS/22 .
<br/><br/> LINGUAPAX 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>372.88 (6) =20 POT No. 3.