TY  - BOOK
AU  - Silbereisen,Rainer L.
AU  - Lerner Richard M.
TI  - Approaches to positive youth development
SN  - 1412922883
U1  - 305.235 22
PY  - 2007///
CY  - Los Angeles, Calif.
PB  - SAGE
KW  - Youth development
KW  - Adolescent psychology
N1  - Includes bibliographical references and index
ER  -