Jean Pierre BAVUMIRAGIRA; Hailong YIN; Edwin KIPKRUI; Pascaline UYISABA; Yves NDIZEYE; Alex BAZAMBANZA. Impact Associated with the Lack of Centralized Sewerage Treatment Systems and Inadequate Operation of Available Decentralized Treatment Systems, a Source of Emerging Contaminants in Urban Water Resources: A Review Case Study of Kigali City Rwanda, a Reflection of Other East African Countries’ Cities. Emerging Issues in Environment, Geography and Earth Science Vol. 2, [S. l.], p. 67–93, 2023. DOI: 10.9734/bpi/eieges/v2/6220E. Disponível em: https://stm.bookpi.org/EIEGES-V2/article/view/12192. Acesso em: 22 jul. 2026.