Report

Council of Europe. Co-operation Group to Combat Drug Abuse and Illicit Trafficking in Drugs (Pompidou Group). Bless, Ruud and Muscat, Richard and Zeghnoun, Soumaya Mansouri and Elghadaffi, Ramadan and Toufiq, Jallal (2004) Validity and reliability of school surveys based on the European ESPAD methodology in Algeria, Libya and Morocco (MedSPAD pilot School survey project). Strasbourg: Council of Europe.