Kamiludeen OLANREWAJU, Kamoru A. SALAM, Abdullahi M. EVUTI, and Abdulwasiu ABDURRAHMAN, “Adsorption of Anionic and Cationic Dyes Using Functionalized ZnCl₂-Activated Charcoal Derived from Coconut Shells”, UJET, vol. 3, no. 1, pp. 133–141, Jan. 2026.