Pei-Sin KengSiew-Ling LeeHa Sie TiongYung-Tse HungOng Siew Teng2025-01-032025-01-032013-06-0510.1007/s10311-013-0427-1https://dspace-cris.utar.edu.my/handle/123456789/9898Removal of hazardous heavy metals from aqueous environment by low-cost adsorption materialsjournal-article