Dao Nguyen Quynh, Hoa, Nam Pham Quang, and Tan Phan Van. “Drought Prediction across Vietnam Using a Hybrid Approach”. Vietnam Journal of Earth Sciences 47, no. 1 (January 8, 2025): 136–156. Accessed November 8, 2025. http://vjes.vast.vn/jse/article/view/22194.