Nsiala Oyangala, Gurvitch, et al. “Risk and Recurrence of Waterborne Diseases Linked to Groundwater Quality in the Hérady District of Selembao (Kinshasa, DRC)”. Orapuh Journal, vol. 6, no. 12, Dec. 2025, p. e1318, doi:10.4314/orapj.v6i12.118.