Long-run Social and Economic Responses of Fertility in the United States. The Pakistan Development Review, [S. l.], v. 27, n. 2, p. pp.137–157, 1988. DOI: 10.30541/v27i2pp.137-157. Disponível em: https://thepdr.pk/index.php/pdr/article/view/822. Acesso em: 25 oct. 2025.