LONGO, C. A. Notes on the evolution of the tax burden. Brazilian Journal of Political Economy, [S. l.], v. 4, n. 4, p. 435-445, 1984. DOI: 10.1590/0101-31571984-4124. Disponível em: https://centrodeeconomiapolitica.org.br/repojs/index.php/journal/article/view/1908. Acesso em: 14 jan. 2025.