MANTEL, . R. R.; MARTIRENA MANTEL, . A. M. On the measurement of the social benefits of a custom union. Económica, [S. l.], v. 47, p. p. 73–93, 2001. Disponível em: https://revistas.unlp.edu.ar/Economica/article/view/8520. Acesso em: 30 abr. 2025.