Hieu, Nguyen Duc, Chu Thi Xuan, Pham Duc Thanh, and Mai Anh Tuan. “Review: Possible Removal of Heavy Metal and Selective Rare-Earth Ions by Polymeric and Nano-Composite Materials”. Vietnam Journal of Chemistry 54, no. 4 (August 25, 2016): 401. Accessed May 2, 2024. https://vjs.ac.vn/index.php/vjchem/article/view/0866-7144.2016-00337.