F. A. OGINNI. Water Quality Variations within the Urban Stretch of a River in Nigeria. Challenging Issues on Environment and Earth Science Vol. 2, [S. l.], p. 49–64, 2021. DOI: 10.9734/bpi/ciees/v2/7609D. Disponível em: https://stm.bookpi.org/CIEES-V2/article/view/542. Acesso em: 4 jun. 2026.