J. A. . . Lawal, A. G. . Olaremu, O. T. . Odeyemi, F. S. . Omeiza, and I. . Sanni, “COMPETITIVE ADSORPTION OF Fe2+, Pb2+, AND Zn2+ IONS FROM MULTI-METAL ION SOLUTION ON AMMONIUM OXALATE MODIFIED KAOLINITE CLAY ”, JCSN, vol. 49, no. 4, Aug. 2024.