ABD ELAziz, M., and S. Yousef. “Beneficial Effect Of Zink Spraying On Growth and Yield Safflower Plants (Carthamus Tinctorius L.)”. Tishreen University Journal -Biological Sciences Series, vol. 41, no. 6, Dec. 2019, https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/9291.