RT Book T1 Parents and peers in social development T2 A Sullivan-Piaget perspective A1 Youniss, James E. A2 Piaget, Jean A2 Sullivan, LA English PP Chicago PB Univ. of Chicago Pr. YR 1980 UL https://krimdok.uni-tuebingen.de/Record/1611053943 CN HQ769 SN 0226964841 K1 Sullivan, Harry Stack K1 Piaget, Jean K1 Child Development K1 Parent and child K1 Age groups K1 Eltern : Kind K1 Soziale Entwicklung K1 Entwicklungspsychologie K1 Kind : Sozialisation : Erwachsener : Peer-Group