Shin-Leei OoiOng Siew Teng2025-01-092025-01-092019-12-3010.24193/subbchem.2019.4.05https://dspace-cris.utar.edu.my/handle/123456789/11107"Remediation of lead (II) and Malachite Green from aqueous solution using palm oil fruit fibre "journal-article