Shalal, M., مخلف, Jasim, K., خضر, I.Al-Rijabo, W., & وليد. (2025). Study of Reference Evapotranspiration in Ninava Governorate Using Different Mathematical Models. Rafidain Journal of Science, 19(6), 154–173. https://doi.org/10.33899/rjs.2008.41432