PRIMARY POLLUTANT SELECTION AND DETERMINATION OF WATER QUALITY INDEX IN CLASS DISCHARGE DIVISION BASED ON THREE CLASS MARKOV MODEL . International Journal of Geomate, [S. l.], v. 13, n. 38, p. 89–96, 2017. Disponível em: https://geomatejournal.com/geomate/article/view/1449. Acesso em: 5 oct. 2026.