Jaruwong, Piyamaporn, Jakrit Aumpush, and Ratanawan (Wibulswas) Kiattikomol. 1. “Uptake of Cationic and Azo Dyes by Montmorillonite in Batch and Column Systems”. Science & Technology Asia 10 (1), 47-56. https://www.tci-thaijo.org/index.php/SciTechAsia/article/view/41596.