Farida, Ida, and Sulardjaka. “The Effect of Tool Rotation Speed Variation to Hardness and Microstructure in The Welding of Composite Alsitib-7,5%Sic by Friction Stir Welding Method”. International Journal of Psychosocial Rehabilitation 24, no. 2 (April 30, 2020): 8173–8178. Accessed June 10, 2025. https://www.psychosocial.com/index.php/ijpr/article/view/2740.