Tongon, Waraporn, Siriluk Chiarakorn, Suthipong Sthiannopkao, and Kyoung Woong Kim. 2017. “Preparation of Fe-RH-MCM-41 for arsenic removal (Thai)”. Asia-Pacific Journal of Science and Technology 14 (9):793-800. https://so01.tci-thaijo.org/index.php/APST/article/view/83533.