Preprocessing procedures and supervised classification applied to a database of systematic soil survey. Scientia Agricola, [S. l.], v. 76, n. 5, p. 439–447, 2019. DOI: 10.1590/1678-992x-2017-0171. Disponível em: https://www.revistas.usp.br/sa/article/view/160619.. Acesso em: 5 may. 2024.