Le, T. D. et al. (2019) “Preparation of Mesoporous SiO2 and ZnO•SiO2 Composite from Raw Rice Husk for Removal of Organic Dye”, Old Journal, (134A), pp. 37–43. Available at: https://jst.vn/index.php/old/article/view/654 (Accessed: 2 August 2025).