European Monitoring Centre for Drugs and Drug Addiction Co-ordination of an expert working group to develop instruments and guidelines to improve quality and comparability of general population surveys on drugs in the EU [texto policopiado] / European Monitoring Centre for Drugs and Drug Addiction

Co-ordination of an expert working group to develop instruments and guidelines to improve quality and comparability of general population surveys on drugs in the EU [texto policopiado] / European Monitoring Centre for Drugs and Drug Addiction . - xxa Lisbon xxa-fimyyc EMCDDA yyc-fim, 1999 . - pag. var. : il., tab., gráf. 30 cm Métodos de investigação
Toxicodependência

001.8:364.6