InstitutionZentralinstitut für Jugendforschung (ZIJ) (1)Date Issued
1970 (1)
Document Type
final report (1)
Keyword
apprentice (1)
Arbeiter (1)attitude (1)
Auszubildender (1)
behavior (1)
...view moreReview
reviewstatus unknown (1)
Publication StatusUnknown (1)