“The effects of Autumn foliar spray of urea on the productivity and quality of apple Golden delicious and Starking delicious cultivars fruits in the condition of Dahr al- Qusair region/ Hamah” (2021) Damascus University Journal of agriculture sciences, 37(1). Available at: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/115 (Accessed: 18 June 2026).