Boonchouytan, W., T. Ratanawilai, P. Muangjunburee, and K. Tapasa. “Friction Stir Welded of SSM Cast 356 Aluminium Alloys with T6 Heat Treatment”. Engineering and Applied Science Research, vol. 38, no. 3, Apr. 2013, pp. 219-32, https://ph01.tci-thaijo.org/index.php/easr/article/view/7716.