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”, Science & Technology Development Journal: Natural Sciences, vol. 8, no. 4, p. In press, Feb. 2025.