MELO, F. H. de. Downward trend in real agricultural input prices. Brazilian Journal of Political Economy, [S. l.], v. 12, n. 1, p. 142-148, 1992. DOI: 10.1590/0101-31571992-0657. Disponível em: https://centrodeeconomiapolitica.org/repojs/index.php/journal/article/view/1409. Acesso em: 5 dec. 2024.