“Effect of different levels of biogas manure in the growth and development of cultivated potato crop in Tartous governorate”, مجلة للعلوم الزراعية, vol. 36, no. 1, Jul. 2021, Accessed: Jun. 18, 2026. [Online]. Available: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/192