IYELI LOBOTA, P. et al. 2026. GIS-Based Aquifer Vulnerability Assessment Using DRASTIC and Susceptibility Index Models (SI): Funa Catchment, Kinshasa, Democratic Republic of the Congo. Orapuh Journal. 7, 10 (Nov. 2026), e1491. DOI:https://doi.org/10.4314/orapj.v7i10.91.