HANUM, Lathifah; WIDYASTUTI, Margaretha. Groundwater quality analysis using the weighted arithmetic water quality index at the elementary school. Sustainable Urban Development and Environmental Impact Journal, [S. l.], v. 3, n. 1, 2026. DOI: 10.61511/sudeij.v3i1.2026.3277. Disponível em: https://journal-iasssf.com/index.php/SUDEIJ/article/view/3277. Acesso em: 2 mar. 2026.