SILBER, Simão Davi. Convergence of rules of origin in preferential trade agreements: the case of the free trade agreement of the Americas. Economia Aplicada, São Paulo, Brasil, v. 1, n. 3, p. 425–441, 1997. DOI: 10.11606/1413-8050/ea217571. Disponível em: https://revistas.usp.br/ecoa/article/view/217571.. Acesso em: 20 jun. 2024.