OOI, S.-L. ., & ONG, S.-T. . (2019). REMEDIATION OF LEAD (II) AND MALACHITE GREEN FROM AQUEOUS SOLUTION USING PALM OIL FRUIT FIBRE. Studia Universitatis Babeș-Bolyai Chemia, 64(4), 55–70. https://doi.org/10.24193/subbchem.2019.4.05