Abstracts [de la revista Foro Internacional : v. 52, no. 4 (200), 2012]. Foro Internacional, México, Ciudad de México, v. 52, n. 4, p. 938–940, 2012. Disponível em: https://forointernacional.colmex.mx/index.php/fi/article/view/2132. Acesso em: 21 jun. 2025.