VEILLARD FARIAS, P. I.; FREIRE, E.; CUNHA, A. L. C. da .; ANTUNES, A. M. de S. The strategic diagnosis of the potassium fertilizer industry in Brazil. Journal of the Geological Survey of Brazil, [S. l.], v. 4, n. 2, 2021. DOI: 10.29396/jgsb.2021.v4.n2.2. Disponível em: https://jgsb.cprm.gov.br/index.php/journal/article/view/143. Acesso em: 7 feb. 2023.