الخطيب علي, ديب علي, and حسن ألفت. 2022. “ The Effect of Foliar Spray With Some Growth Regulators and Nutrients on the Physical and Chemical Properties of the Orange Fruits of the Valencia Variety”. Tishreen University Journal -Biological Sciences Series 44 (2):133-44. https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/12419.