Tat, Vy, and Au Nguyen. “Aquifer Upper-Middle Pleistocene (qp2-3) Vulnerability Assessment Using Origin DRASTIC and Improved AHP- DRASTIC in Ho Chi Minh City”. VNUHCM Journal of Earth Science and Environment 6, no. 2 (December 31, 2022): 570-582. Accessed July 16, 2025. http://stdjsee.scienceandtechnology.com.vn/index.php/stdjsee/article/view/722.