Al-Hadethi, Mustafa EA, Salih UY, Al- Hgemi SHJ, and Ahmed OJ Janabi. “Effect of Boron and Gibberellins Spray on the Chemical Content in the Leaves of Olive Tree”. Journal of Research in Biology 9, no. 3 (May 12, 2019): 2685-2692. Accessed December 26, 2024. https://ojs.jresearchbiology.com/index.php/jrb/article/view/496.