@misc{indiciaeea28b19ccf90,
  title = {The effects of school-based intervention programs on aggressive behavior: a meta-analysis.},
  author = {Sandra Jo Wilson and Mark W Lipsey and James H Derzon},
  year = {2003},
  url = {https://pubmed.ncbi.nlm.nih.gov/12602434/},
  note = {Source identifier: 12602434}
}