EUROPEAN MONITORING CENTRE FOR DRUGS AND DRUG ADDICTION
Modelling drug use : methods to quantify and understand hidden processes / European Monitoring Centre for Drugs and Drug Addiction, EMCDDA . - Luxembourg : Office for Official Publications of the European Communities, 2001 . - 245 p.; 24 cm . - EMCDDA Scientific Monograph Series . - ISBN: 9291680567
DROGA / PREVENÇÃO DA TOXICODEPENDÊNCIA / METODOLOGIAS / ESTATÍSTICAS SOBRE DROGA / OEDT / UNIÃO EUROPEIA /