Abstracts [de Foro Internacional : v.40, no.1 (159), 2000]. Foro Internacional, México, Ciudad de México, v. 40, n. 1, p. 201–203, 2000. Disponível em: https://forointernacional.colmex.mx/index.php/fi/article/view/1550. Acesso em: 30 abr. 2025.