Adit Waisal, Hary Munandar, Sofia Debi Puspa, Achdianto, and Triyono. “Analysis of Mechanical Properties and Microstructure of Aluminum and Copper Sheet Welding Using Friction Stir Spot Welding Method”. Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa & Inovasi, Vol. 6, no. 1, Jan. 2024, pp. 89-102, doi:10.35814/asiimetrik.v6i1.5552.