TY - GEN ED - European Monitoring Centre for Drugs and Drug Addiction [EMCDDA] TI - Guidelines for the evaluation of outreach work : a manual for outreach practioners T2 - Manuals SN - 9291560243 PY - 2001/// CY - Luxembourg PB - Office for the Official Publications of the European Communities KW - drugs KW - evaluatie KW - hulpverlening KW - onderzoeksmethoden KW - richtlijnen KW - straathoekwerk ER -