Minh*, Nguyen Ngoc, and Flynn Picardal. “Effect of Silicic Acid on Aggregation of Hydrous Ferric Oxide”. <i>Vietnam Journal of Earth Sciences</i> 38, no. 4 (October 20, 2016): 345–355. Accessed November 8, 2025. http://vjes.vast.vn/jse/article/view/8797.