T. . Kinkachon, S. . Kunlawong, J. . Pattum, sitthichai chaikhan, S. . Thongdamrongtham, and T. . Chareerat, “Effect of rice husk ash used as pozzolan material on properties of lightweight bricks”, J. Sci. & Sci. Educ., vol. 5, no. 2, pp. 182–190, Sep. 2022.