วิริยะสุนทร ส. “Preparation of Cationic Starch-Montmorillonite Nanocomposites for Methylene Blue Adsorption”. Research on Modern Science and Utilizing Technological Innovation Journal (RMUTI Journal), vol. 12, no. 1, Apr. 2019, pp. 158-71, https://ph01.tci-thaijo.org/index.php/rmutijo/article/view/187749.