Ogunlowo, O. O., and A. Sakwe. “Evaluation of Lead and Iron Content in Different Stages of Water Treatment Facilities Within Otuoke and Yenagoa Metropolis, Bayelsa State, Nigeria”. Journal of Applied Sciences and Environmental Management 27, no. 11 (November 28, 2023): 2415–2420. Accessed September 15, 2026. https://www.ajol.info/index.php/jasem/article/view/260029.