Bujang DOA, Rosli Ahmad. Effect of Square Head Tooltip and Joining Speed on Aluminium Alloy AA6061 in Friction Stir Welding. rpmme [Internet]. 2024 Oct. 17 [cited 2026 Mar. 12];5(1):283-8. Available from: https://publisher.uthm.edu.my/periodicals/index.php/rpmme/article/view/13483