TY  - GEN
AU  - Velasquez, Mary Marsen
AU  - Maurer, Gaylyn Gaddy
AU  - Crouch, Cathy
AU  - Diclemente, Carlo C.
TI  - Group treatment for substance abuse : a stages-of-change therapy manual
SN  - 1572306254
PY  - 2001///
CY  - New York
PB  - The Guilford Press
KW  - drugs
KW  - gedragstherapie
KW  - groepstherapie
KW  - hulpverlening
KW  - methodiek
KW  - transtheoretisch model
ER  -