Nnenna, E.-T., Chijioke, N. M., & Uche, C.-O. (2025). An Investigation of Nwangene River Pollution in Onitsha, Anambra State, Southeastern Nigeria: Causes, Effects, and Preventive and Remedial Approaches. The Asian Review of Civil Engineering, 14(1), 9–19. https://doi.org/10.70112/tarce-2025.14.1.4257