NIELSEN, R. W. Changing the direction of the economic and demographic research. Journal of Economics Library, [S. l.], v. 4, n. 3, p. 288–309, 2017. DOI: 10.1453/jel.v4i3.1411. Disponível em: https://journals.econsciences.com/index.php/JEL/article/view/1411. Acesso em: 24 nov. 2024.