RT Article T1 Neighborhood context, street efficacy, and fear of violent victimization JF Youth violence and juvenile justice VO 15 IS 2 SP 119 OP 137 A1 Yuan, Yue A2 Melde, Chris A2 Dong, Beidi LA English YR 2017 UL https://krimdok.uni-tuebingen.de/Record/1912633809 DO 10.1177/1541204015620283