Tool geometry influence on the tensile load of copper–AA1100 joint using two stage refilled friction stir spot welding (TS-RFSSW). Seminar Nasional Tahunan - Teknik Mesin [Internet]. 2026 Mar. 9 [cited 2026 Mar. 10];23(1):87-92. Available from: https://snttm.bkstm.org/index.php/SNTTM/article/view/63