Nguyen, Thi Thuy, and Minh Duc Vu. “Refining to Enhance Quality and Improve Specific Surface Area of Di Linh Bentonite for Adsorption Application”. JST: Engineering And Technology For Sustainable Development, vol. 32, no. 1, Mar. 2022, pp. 22-29, doi:10.51316/jst.156.etsd.2022.32.1.4.