Sarra Gourari, Wafa Difallah, Belkacem Draoui. Symmetric PSO Tuning of Deep Tabular Networks versus Grid-Search-Optimized Gradient Boosting for FAO-56 Surrogate Modeling of Reference Evapotranspiration under Progressive Climatic Input Scarcity: A Case Study in Bechar, Algeria. Babylonian Journal of Machine Learning. 2026;2026:313–332. doi:10.58496/BJML/2026/018