Effective Protection Rates - A Guide to Tariff Making. The Pakistan Development Review, [S. l.], v. 26, n. 4, p. pp.775–785, 1987. DOI: 10.30541/v26i4pp.775-785. Disponível em: https://thepdr.pk/index.php/pdr/article/view/808. Acesso em: 26 oct. 2025.