RT Article T1 Children's understanding of the juvenile justice system: a cognitive-developmental perspective JF Canadian journal of criminology VO 30 IS 4 SP 381 OP 395 A1 Peterson, M. LA English YR 1988 UL https://krimdok.uni-tuebingen.de/Record/1634285832 K1 Moralisches Urteil K1 Kriminalitätsbegriff