Ma’arif MS, Cook CD. Performance of Non-rotating Shoulder Tool in Weld Joint and Forces of Friction Stir Welding. JEMMME [Internet]. 2019 May 30 [cited 2024 Jul. 4];4(1):47-56. Available from: https://ejournal.umm.ac.id/index.php/JEMMME/article/view/8435