Boonlerd, Sitthinan, and Wirut Impho. “OPTIMIZATION OF FRICTION STIR WELDING PROCESSING PARAMETERS BY SKH-57 TOOLS STEEL OF SS400-AL6063”. Suranaree Journal of Science and Technology 32, no. 3 (August 25, 2025): 030319(1–8). accessed September 10, 2026. https://ph04.tci-thaijo.org/index.php/SUJST/article/view/11021.