Tariff Equilibrium with Customs Union. The Pakistan Development Review, [S. l.], v. 33, n. 4II, p. pp.1217–1228, 1994. DOI: 10.30541/v33i4IIpp.1217-1228. Disponível em: https://www.thepdr.pk/index.php/pdr/article/view/1293. Acesso em: 6 dec. 2025.