SIMIYU, Isaac Wafula; NGALA, Consolata; SIMIYU, Edwin. Effects of flat-rate versus volumetric pricing on per capita water usage in western Kenya. SCIENCE MUNDI, [S. l.], v. 5, n. 2, p. 354–360, 2025. DOI: 10.51867/scimundi.5.2.33. Disponível em: https://sciencemundi.net/ojs/index.php/scimundi/article/view/153. Acesso em: 30 jun. 2026.