Li, Yingqiang, Yongfan Guo, Qingchi Yi, Yanli Pei, Qunqun Li, and Wei Wei. “Meteorological Drought Prediction in the Loess Plateau Based on Three Machine Learning Models”. World Scientific Research Journal 12, no. 4 (April 19, 2026): 1–28. Accessed April 20, 2026. https://wsr-j.org/index.php/ojs/article/view/95.