Geochemical Studies of Rare Earth Elements (REE) in Ion Adsorption Clays (IAC) in Gua Musang, KelantanNur Afikah Fendy, Roniza Ismail, Nor Shahida Shafiee and Abdul Hafidz YusoffBIO Web Conf., 73 (2023) 04005DOI: https://doi.org/10.1051/bioconf/20237304005