Comparing the Seed Cotton and Wheat Marketing Chains in Sindh. The Pakistan Development Review, [S. l.], v. 37, n. 1, p. pp.53–75, 2022. DOI: 10.30541/v37i1pp.53-75. Disponível em: https://thepdr.pk/index.php/pdr/article/view/1516. Acesso em: 9 jun. 2025.