Dai, Luu Minh, Dao Ngoc Thiem, Pham Duc Thang, Vu The Ninh, and Pham Ngoc Chuc. “Studying the Nickel Adsorption Ability by Nanosized Mn2O3 SiO2 Material”. <i>Vietnam Journal of Chemistry</i> 49, no. 6 (August 15, 2012). Accessed December 6, 2025. https://vjs.ac.vn/vjchem/article/view/2231.