D. Radovanovic, J. Dikić, M. Štulović, Z. Anđić, Željko Kamberović, and S. Jevtić, “Sorption of Pb2+, Zn2+, Cu2+ and Ni2+ Ions on Na-enriched Natural Zeolite for Wastewater Treatment Process: A Kinetic Approach”, Metall Mater Eng, vol. 29, no. 3, pp. 20–35, Oct. 2023.