สุอรุณ เ., and ปิยะมังคลา โ. “Kinetic Adsorption of Silver Ion by Chitosan Resin”. KKU Science Journal, vol. 40, no. 4, Dec. 2012, pp. 1285-00, https://ph01.tci-thaijo.org/index.php/KKUSciJ/article/view/253380.