Rural-Urban Fertility Differentials: 1975. The Pakistan Development Review, [S. l.], v. 18, n. 3, p. pp.231–251, 2022. DOI: 10.30541/v18i3pp.231-251. Disponível em: https://thepdr.pk/index.php/pdr/article/view/525. Acesso em: 9 jun. 2025.