União Europeia., Observatório Europeu da Droga e da Toxicodependência Guidelines for the evaluation of treatment in the field of problem drug use : a manual for researchers and professionals / European Monitoring Centre for Drugs and Drug Addiction

Guidelines for the evaluation of treatment in the field of problem drug use : a manual for researchers and professionals / European Monitoring Centre for Drugs and Drug Addiction . - Luxembourg : Office for Official Publications of the European Communities, 2007 . - 76 p. 21 cm . - (EMCDDA manuals; 3)
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