ديب علي, صهيوني فهد, and بلال عصام. 2020. “Effect of Foliar Spray With Boron, Seaweed Extract on Production and Quality of Apple Cv. Starking Delicious”. Tishreen University Journal -Biological Sciences Series 42 (3). https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/9711.