Nguyen, Van Doan, et al. “Production of Porous Silica from Rice Husk Using Cetyltrimethylammonium Bromide to Remove Dyes in Aqueous Solution”. JST: Engineering And Technology For Sustainable Development, vol. 34, no. 4, Oct. 2024, pp. 9-16, doi:10.51316/jst.177.etsd.2024.34.4.2.