Essa, Hadeel, and Salah L. Zubaidi. “Hybrid Model to Improve Reference Evapotranspiration Prediction: Integrating ANN and PSO”. Wasit Journal of Engineering Sciences 11, no. 3 (December 2, 2023): 27–33. Accessed August 16, 2026. https://ejuow.uowasit.edu.iq/index.php/ejuow/article/view/450.