Evidence of Fertility Decline in Karachi. The Pakistan Development Review, [S. l.], v. 27, n. 4II, p. pp.659–670, 1988. DOI: 10.30541/v27i4IIpp.659-670. Disponível em: https://thepdr.pk/index.php/pdr/article/view/861. Acesso em: 26 oct. 2025.