เชื้อแป้น ช. . ., and อัศวแสงรัตน์ พ. . “Study of Factors Affecting Methylene Blue Adsorption on Ethyl Acetate-Modified MCM-41 Using Full Factorial Design”. Engineering and Technology Horizons, vol. 33, no. 2, June 2020, pp. 84-91, https://ph01.tci-thaijo.org/index.php/lej/article/view/241354.