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