اسبر م. and نصرة ع. (2020) “A Study of the Static Durability of the Valve Closure Component Using Materials Resistance Methods and Flexibility Theory”, Tishreen University Journal -Engineering Sciences Series,, 42(3). Available at: https://journal.tishreen.edu.sy/index.php/engscnc/article/view/9777 (Accessed: 23November2024).