IBGE. Notes on the Broad National Consumer Price Index. Brazilian Journal of Political Economy, [S. l.], v. 6, n. 1, p. 159-166, 1986. DOI: 10.1590/0101-31571986-1146. Disponível em: https://centrodeeconomiapolitica.org.br/repojs/index.php/journal/article/view/1788. Acesso em: 3 jul. 2024.