“The Effect of Foliar Application of Boron and Zinc on Physical and Chemical Characterizations of Fruit the Orange Tree (Valencia Variety)”. Latakia University Journal -Biological Sciences Series 41, no. 6 (December 10, 2019). Accessed July 26, 2025. https://journal.latakia-univ.edu.sy/index.php/bioscnc/article/view/9281.