“ENHANCING RARE EARTH ELEMENTS STABILITY IN ION ADSORPTION CLAYS DURING ION-EXCHANGE LEACHING WITH SALT SOLUTIONS: A THERMODYNAMIC APPROACH THROUGH POURBAIX DIAGRAMS” (2025) Jurnal Teknologi (Sciences & Engineering), 88(1), pp. 41–51. doi:10.11113/jurnalteknologi.v88.23169.