Al-jarrah, J. A., A. Ibrahim, and S. Sawlaha. “Effect of Applied Pressure on the Mechanical Properties of 6061 Aluminum Alloy Welded Joints Prepared by Friction Stir Welding”. Engineering, Technology & Applied Science Research 7, no. 3 (June 12, 2017): 1619–1622. Accessed November 25, 2024. https://etasr.com/index.php/ETASR/article/view/1124.