Au N, Bao T, Nhi P, Vy T, Hien T, Hiep T, Linh L. Entropy weight application for calculating groundwater quality index (EWQI) in groundwater quality zoning in Pleistocene aquifer in the Phu My town, Ba Ria – Vung Tau province. VNUHCM Journal of Earth Science and Environment [Internet]. 25Jun.2020 [cited 10Oct.2025];4(1):140-8. Available from: http://stdjsee.scienceandtechnology.com.vn/index.php/stdjsee/article/view/533