LUGO-SILVA, Enrique. Rafael Altamira y Crevea. Revista de Educación de Puerto Rico (REduca), [S. l.], v. 7, n. 1, p. 113–127, 2021. Disponível em: https://revistas.upr.edu/index.php/educacion/article/view/19211. Acesso em: 18 may. 2024.