Advanced Regression Approaches for High-Fidelity Solar Radiation Prediction: Analysis of a 12-Year Meteorological Dataset from Egypt - Hassan, Basma M.; Samman, Ahmad E.; Morsy, Mostafa; Abdaldym, Abdallah; Alsubhi, Yazeed; Almazroui, Mansour; Elhag, Mohamed; Aboelkhair, Hassan (Earth Systems and Environment, 2025)