Sá, C., V. Rocha, J. Cunha Machado, y J. Precioso. «Preventing Alcohol Use Among Adolescents: Assessment of the "Alcohol-Free" Programme». Health and Addictions/Salud Y Drogas, vol. 18, n.º 2, julio de 2018, pp. 133-41, doi:10.21134/haaj.v18i2.386.