Meengam, C., S. Chainarong, Y. Dunyakul, and D. Maunkhaw. “Friction Stir Spot Welding of SSM 6061 Aluminium Alloy”. Journal of Manufacturing & Management Technology, vol. 2, no. 1, June 2023, https://ph01.tci-thaijo.org/index.php/jMMT/article/view/251358.