GROUNDWATER FLUORIDE HAZARD ZONATION IN THE VOLCANOGENIC POLLUTED AREA, EAST JAVA, INDONESIA. International Journal of Geomate, [S. l.], v. 22, n. 94, p. 21–28, 2022. Disponível em: https://geomatejournal.com/geomate/article/view/1088. Acesso em: 18 oct. 2026.