Institution
Zentralinstitut für Jugendforschung (ZIJ) (1)
AuthorHopfer, R. (1)
Schneider, E. (1)
Date Issued1970 (1)Document Typeworking paper (1)Keywordadolescent (1)DDR (1)education (1)engineering (1)Erziehung (1)...view moreReviewreviewstatus unknown (1)Publication StatusUnknown (1)