“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): 41-51. https://doi.org/10.11113/jurnalteknologi.v88.23169.