Hieu, Nguyen Duc, Chu Thi Xuan, Pham Duc Thanh, and Mai Anh Tuan. 2016. “Review: Possible Removal of Heavy Metal and Selective Rare-Earth Ions by Polymeric and Nano-Composite Materials”. Vietnam Journal of Chemistry 54 (4):401. https://doi.org/10.15625/0866-7144.2016-00337.