ANALYSIS OF THE OCCURRENCE OF ELEMENTAL POLLUTANTS IN SHALLOW AQUIFERS USING WATER QUALITY INDEX METHOD: THE CASE OF DAR ES SALAAM, TANZANIA. The Journal of Building and Land Development, [S. l.], v. 24, n. 1, p. 1–16, 2025. Disponível em: http://journals.aru.ac.tz/index.php/JBLD/article/view/343. Acesso em: 1 may. 2025.