Nnenna, Ekwe-Testimony, Nwachukwu Martin Chijioke, and Chukwura-Osoagba Uche. “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, no. 1 (February 8, 2025): 9–19. Accessed September 26, 2025. https://tarce.co/index.php/tarce/article/view/4257.