HUGHES, J. H. National Economics. Journal of Reviews on Global Economics, [S. l.], v. 3, p. 48–83, 2014. DOI: 10.6000/1929-7092.2014.03.06. Disponível em: https://lifescienceglobal.com/pms/index.php/jrge/article/view/1747. Acesso em: 9 may. 2025.