Organization, contents and methods of adult vocational education in relation to job changes and the acquisitition of new skills in the German Democratic Republic / 
Edited by Gerhard Pogodda. 
 - Paris :  UNESCO,  1988. 
 - 94 p. ;  il. 
 - Studies in technical and vocational education .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>377 (430.2) =20 "1988" ORG.