Olowoyo, D.N, and Garuba, A.O, trans. “Adsorption of Cadmium Ions Using Activated Carbon Prepared from Coconut Shell”. International Journal of Food Safety and Public Health 9, no. 1 (January 28, 2022): 1–5. Accessed October 5, 2025. https://ijpp.org/journal/index.php/ajb/article/view/28.