Dynamics of Birth Spacing in Pakistan. The Pakistan Development Review, [S. l.], v. 27, n. 4II, p. pp.655–657, 1988. DOI: 10.30541/v27i4IIpp.655-657. Disponível em: https://thepdr.pk/index.php/pdr/article/view/860. Acesso em: 26 oct. 2025.