RT Book T1 Youth violence: background and prevention strategies T2 Children's issues, laws and programs A2 Wilkinson, Abigail LA English PP New York PB Novinka YR 2015 UL https://krimdok.uni-tuebingen.de/Record/1613043201 SN 163463490X SN 9781634634908 K1 USA : Jugend : Gewalttätigkeit : Prävention