Education and the Income Differential: An Estimation for Rawalpindi City. The Pakistan Development Review, [S. l.], v. 16, n. 2, p. pp.144–164, 1977. DOI: 10.30541/v16i2pp.144-164. Disponível em: https://thepdr.pk/index.php/pdr/article/view/447. Acesso em: 26 oct. 2025.