RT Article T1 Assessing implementation and effects associated with a comprehensive framework designed to reduce school violence: A randomized controlled trial JF Journal of school violence VO 20 IS 4 SP 458 OP 470 A1 Dymnicki, Allison B. A2 Kingston, Beverly A2 Argamaso, Susanne A2 Spier, Elizabeth A2 Arredondo Mattson, Sabrina LA English YR 2021 UL https://krimdok.uni-tuebingen.de/Record/1912462117 DO 10.1080/15388220.2021.1952078