Evaluation of drug prevention program "Barbacana" / Evaluación del programa de prevención de drogas “Barbacana”. Health and Addictions/Salud y Drogas, [S. l.], v. 3, n. 1, 2003. DOI: 10.21134/haaj.v3i1.151. Disponível em: https://ojs.haaj.org/haaj/article/view/151. Acesso em: 13 aug. 2026.