TY  - GEN
AU  - Servais, Ernst
TI  - Before it's too late... : a community and global approach to alcohol and other drug prevention : manual for teaching professionals and parents
PY  - 1991///
CY  - Eupen
PB  - Ernst Servais
KW  - alcohol
KW  - drugs
KW  - lokaal beleid
KW  - methodiek
KW  - ouders
KW  - preventie
ER  -