Mingu, N., N. A. Zakaria, M. H. A. Majid, and M. S. Sarjadi. “Characterization of Kappaphycus sp. and Padina sp. as biosorbents for heavy metal ions removal”. Science, Engineering and Health Studies, vol. 17, Nov. 2023, p. 23020003, doi:10.69598/sehs.17.23020003.