Historical change in leisure activities during after-school hours. [No authors listed] DA Kleiber, GM Powell - Organized activities as contexts of …, 2005 - books.google.com GSID: cNP-SxZEw04J
Differing profiles of developmental experiences across types of organized youth activities. Hansen DM, Moneta G. RW Larson, DM Hansen, G Moneta - Developmental psychology, 2006 - psycnet.apa.org GSID: Ou0AZUn-9-kJ
Positive youth development, participation in community youth development programs, and community contributions of fifth-grade adolescents: Findings from the first …. Almerigi JB, Lerner RM, Lerner JV. RM Lerner, JV Lerner, JB Almerigi… - The journal of early …, 2005 - journals.sagepub.com GSID: Ws7wMHuPCIgJ