TREJO VEGA, E. Reflections on psychological egoism (Essay). Noesis. Journal of Social Sciences and Humanities, [S. l.], v. 21, n. 42, p. 112–143, 2021. DOI: 10.20983/noesis.2012.2.5. Disponível em: http://erevistas.uacj.mx/ojs/index.php/noesis/article/view/217. Acesso em: 14 nov. 2026.