“An Economic Study of the Use of Solar Energy In the Irrigation the of  Spring Potato Crop Compared to the Diesel, energy, Case study: Daraa Governorate (Daraa Area)” (2024) Damascus University Journal of agriculture sciences, 40(4). Available at: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/7689 (Accessed: 18 June 2026).