Nguyen, Dang, Quan Pham, and Trung Tran. “Apply Modified Cotton by M-DMDHEU and Choline Cloride to Separate Ion CrO4 2- , H2AsO4 - in Water Solution”. Science and Technology Development Journal 19, no. 3 (September 30, 2016): 62-69. Accessed April 29, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/521.