“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, vol. 24, no. 1, Feb. 2025, pp. 1-16, http://journals.aru.ac.tz/index.php/JBLD/article/view/343.