กิมะพงศ์ ก. “Effect of Fsw Stirrer Geometries on Tensile Strength of AA6063-T1 and AIS11015 Butt Joint”. Frontiers in Engineering Innovation Research, vol. 9, June 2007, pp. 61-67, https://ph01.tci-thaijo.org/index.php/jermutt/article/view/242249.