TY  - GEN
AU  - Leukefeld, Carl G.
AU  - Bukoski, William J.
TI  - Drug abuse prevention intervention research : methodological issues [PDF]
T2  - NIDA research monograph series
PY  - 1991///
CY  - Rockville
PB  - NIDA
KW  - drugs
KW  - effectiviteit
KW  - evaluatie
KW  - methodiek
KW  - preventie
UR  - http://www.google.com/search?q=Drug-abuse-prevention-intervention-research methodological-issues
ER  -