TY  - GEN
AU  - Hawkins, J. David
AU  - Nederhood, Britt
TI  - Handbook for evaluating drug and alcohol prevention programs : Staff/Team Evaluation of Prevention Programs [STEPP] [PDF]
PY  - 1987///
CY  - Rockville
PB  - Office for Substance Abuse Prevention
KW  - alcohol
KW  - drugs
KW  - evaluatie
KW  - preventie
UR  - http://www.google.com/search?q=Handbook-for-evaluating-drug-and-alcohol-prevention-programs Staff-Team-Evaluation-of-Prevention-Programs
ER  -