ROI, Nguyen Duc. Groundwater quality zonation by total dissolved solids for Hưng Yên province. <b>Vietnam Journal of Earth Sciences</b>, <i>[S. l.]</i>, v. 38, n. 1, p. 79–89, 2016. DOI: 10.15625/0866-7187/38/1/7850. Disponível em: http://vjes.vast.vn/jse/article/view/7850. Acesso em: 8 nov. 2025.