RT Article T1 Helping the youthful offender: individual and group therapies that work JF Children and youth services review VO 11 IS 2 SP 1 OP 217 A1 Lewis, William B. LA English YR 1989 UL https://krimdok.uni-tuebingen.de/Record/1470752166 K1 Gruppentherapie K1 Jugendstraftäter K1 Therapien