CANFUX GUTIÉRREZ, D. C. J. Raúl Ferrer Pérez (1915-1993). CIENCIAS PEDAGÓGICAS, [S. l.], v. 11, n. 2, p. 221–230, 2018. Disponível em: https://www.cienciaspedagogicas.rimed.cu/index.php/ICCP/article/view/129. Acesso em: 30 abr. 2025.