TY  - GEN
TY  - GEN
T1  - Approaches to Positive Youth Development
A1  - Silbereisen, Rainer K.; Lerner, Richard M.
A2  - Lerner, Richard M.
A2  - Silbereisen, Rainer K.
A2  - Richard M Lerner
LA  - eng
PB  - SAGE Publications Ltd
YR  - 2007
UL  - https://kansalliskirjasto.finna.fi/Record/nelli06.1000000000578703
SN  - 1-4129-2288-7
SN  - 1-4462-1380-3
SN  - 9786611897918
SN  - 1-281-89791-4
SN  - 1-84860-760-1
ER  -