TY  - RPRT
TI  - School-based primary prevention: what is an effective program?
AU  - C Lewis
AU  - V Battistich
AU  - E Schaps
PY  - 1990
DO  - 10.1002/cd.23219905005
UR  - https://pubmed.ncbi.nlm.nih.gov/2090977/
ID  - 2090977
ER  -