Oanh*, Ta Thi Kim, and Nguyen Van Lap. “HIGH ARSENIC CONCENTRATION IN GROUNDWATER RELATED TO SEDIMENTARY FACIES IN THE MEKONG RIVER DELTA, VIETNAM”. <i>Vietnam Journal of Earth Sciences</i> 38, no. 2 (April 9, 2016): 178–187. Accessed November 8, 2025. http://vjes.vast.vn/jse/article/view/8600.