TY - GEN AU - Peets, Valerie TI - Meeting the challenge : a manual on using workbooks for group and one-to-one sessions with drug users SN - 190431919X PY - 2004/// CY - London PB - DrugScope KW - cognitieve therapie KW - drugs KW - hulpverlening KW - methodiek KW - psycho-educatie ER -