Nguyen, Dzung T., Minh X. Vu, and Huy L. Nguyen. “Surface Modification of Fly Ash by Poly(1,5-Diaminonaphthalene) for Removal of Hexavalent Chromium from Water”. Journal of Surface Science and Technology 34, no. 3-4 (January 3, 2019): 129–135. Accessed April 28, 2024. http://informaticsjournals.com/index.php/jsst/article/view/20171.