Hanapi, N., Safie, W., Anis, A., Zaini, N., Ibrahim, W., & Abdullah, U. (2021). Speciation and Enrichment of Cadmium and Lead from Water Samples using Fe3O4/rGO Sorbent in Dispersive Magnetic Micro-Solid Phase Extraction with Inductively Coupled Plasma-Optical Emission Spectroscopy. Asian Journal of Chemistry, 33(7), 1671–1676. https://doi.org/10.14233/ajchem.2021.23224