“An Estimation of the Cost Function and The Size Economics of Autumn Sugar Beet  in Al-Ghab/ Syria”, مجلة للعلوم الزراعية, vol. 40, no. 2, Jun. 2024, Accessed: Jun. 18, 2026. [Online]. Available: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/6354