N, Ethiraj, Meikeerthy S, and Sivabalan T. “Submerged friction stir welding: An overview of results of experiments and possible future works”. Engineering and Applied Science Research 47, no. 1 (March 17, 2020): 111–116. accessed December 16, 2025. https://ph01.tci-thaijo.org/index.php/easr/article/view/203734.