บุญช่วยแทน ว. “Microstructural Behavior and Mechanical Properties of Friction Stir Spot Welding of Dissimilar Aluminum Semi Solid Casting Sheets SSM2024 and SSM6061”. Srinakharinwirot University Engineering Journal, vol. 12, no. 2, July 2018, pp. 130-42, https://ph02.tci-thaijo.org/index.php/sej/article/view/136876.