Simões, Margarida, et al. “Relationship Between the Use of Legal and Illegal Substances and the Existence of Psychopathic Traits Among Portuguese University Students”. Revista de Estudios e Investigación en Psicología y Educación, vol. 11, no. 1, July 2024, p. Artigo e9879, doi:10.17979/reipe.2024.11.1.9879.