TY  - GEN
ED  - European Monitoring Centre for Drugs and Drug Addiction [EMCDDA]
TI  - Prevention and evaluation resources kit [PERK] : a manual for prevention professionals [PDF]
PY  - 2010///
CY  - Luxembourg
PB  - Publications Office of the European Union
KW  - drugs
KW  - effectiviteit
KW  - evaluatie
KW  - methodiek
KW  - preventie
UR  - http://www.google.be/search?q=Prevention-and-evaluation-resources-kit
ER  -