Comparative Costs, Factor Proportions and Industrial Efficiency in Pakistan. The Pakistan Development Review, [S. l.], v. 7, n. 2, p. pp.213–246, 2022. DOI: 10.30541/v7i2pp.213-246. Disponível em: https://thepdr.pk/index.php/pdr/article/view/170. Acesso em: 7 jun. 2025.