سلامة سليمان, سعد فؤاد, and قباع يمامي. “Effect of Seed Rates on the Production Components of Some Barley Varieties”. Tishreen University Journal -Biological Sciences Series 40, no. 2 (October 29, 2018). Accessed November 25, 2024. https://journal.tishreen.edu.sy/index.php/bioscnc/article/view/4383.