TEMPORAL VARIATIONS IN PERCHED WATER AND GROUNDWATER QUALITIES AT AN OPEN SOLID WASTE DUMPSITE IN SRI LANKA. International Journal of Geomate, [S. l.], v. 13, n. 38, p. 1–8, 2017. Disponível em: https://geomatejournal.com/geomate/article/view/1421. Acesso em: 10 oct. 2026.