Osarieme Uyi Osazuwa*; Prayer Osarugue Omorefe; Raphael Ehizogie Ehizokhale; Osamudiamhen Oiwoh; Joy Ehimwenma Ossai and Osagie Alex Osadolor, “A Comparative and Optimization Study for Efficient Heavy Metals (Pb and Cu) Removal Using Keratin-Based Coconut Coir Activated Carbon Composite”, JETE, vol. 7, no. 1, pp. 38–51, Mar. 2025.