กิมะพงศ์ กิตติพงษ์. “Effect of Fsw Stirrer Geometries on Tensile Strength of AA6063-T1 and AIS11015 Butt Joint”. Frontiers in Engineering Innovation Research 9 (June 30, 2007): 61–67. accessed December 8, 2025. https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242249.