TY  - RPRT
TI  - Evaluating and improving prevention programs: a strategy from drug abuse.
AU  - B H Bry
AU  - F E George
PY  - 1979
DO  - 10.1016/0149-7189(79)90022-3
UR  - https://pubmed.ncbi.nlm.nih.gov/10316911/
ID  - 10316911
ER  -