Iyiola, E.A., Owoyemi, J.M., Saliu, T.P., Olufemi, B., Dania, D.O., Olasunkanmi, O., Ayanleye, S.O. and Wekesa, A. 2020. Efficiency of Sawdust from Selected African Indigenous Wood spp. as a Low-cost Adsorbent for Removal of Copper Ion from Contaminated Water: Advanced Study. Current Research and Development in Chemistry Vol. 1. (Apr. 2020), 52-63.