TY  - RPRT
TI  - The effects of school-based intervention programs on aggressive behavior: a meta-analysis.
AU  - Sandra Jo Wilson
AU  - Mark W Lipsey
AU  - James H Derzon
PY  - 2003
UR  - https://pubmed.ncbi.nlm.nih.gov/12602434/
ID  - 12602434
ER  -