Operations and effects of the generalized system of preferences. United Nations. New York. 1974. (Document No. TD/B/C-5/15). The Pakistan Development Review, [S. l.], v. 14, n. 2, p. pp.258–259, 2022. DOI: 10.30541/v14i2pp.258-259. Disponível em: https://thepdr.pk/index.php/pdr/article/view/386. Acesso em: 9 jun. 2025.