“Decontamination of Pb2+, Cd2+ and Ni2+ Polluted Water by Adsorption Unto Butterfly Pea (Centrosema pubescens) Seed Pod”, Commun. Phys. Sci, vol. 6, no. 1, pp. 774–782, Nov. 2020, Accessed: Jun. 29, 2026. [Online]. Available: https://journalcps.com/index.php/volumes/article/view/412