บุญช่วยแทน วรพงค์. “Microstructural Behavior and Mechanical Properties of Friction Stir Spot Welding of Dissimilar Aluminum Semi Solid Casting Sheets SSM2024 and SSM6061”. Srinakharinwirot University Engineering Journal 12, no. 2 (July 26, 2018): 130–142. accessed April 12, 2025. https://ph02.tci-thaijo.org/index.php/sej/article/view/136876.