Alduaij, O. K., Attia, M. I., Khezami, L. and Taha, K. K. (2016) “Removal of cobalt(II) from aqueous solution by local Saudi bentonite: Kinetic and equilibrium investigations”, Macedonian Journal of Chemistry and Chemical Engineering, 35(1), pp. 87–96. doi: 10.20450/mjcce.2016.852.