Pinazo Hernandis, Sacramento, et al. “SNIFFING AND CANNABIS CONSUMPTION DURING PRE-ADOLESC MULTIVARIATE ANALYSIS OF PREDISPOSING FACTORS”. Anales De Psicología Annals of Psychology, vol. 18, no. 1, Jan. 2002, pp. 77-93, https://revistas.um.es/analesps/article/view/28621.