T. L. Huynh, B. T. Dao, M. T. Le, C. N. Ha-Thuc, T. H. Dang, and T. V. Vo, “Synthesis, Characterization of Activated Carbon from Rice Husk Ash and Influence of NaOH Ratio on its Properties”, VNUHCM Journal of Natural Sciences, vol. 8, no. 4, pp. 3219-3229, Dec. 2024.