Anwar, Badaruddin, and Asmah Adam. “Analysis of the Toughness of the Vertical Position GMAW Welding on Steel ST 42 With Electrode Spiral Movement Pattern”. The International Journal of Science & Technoledge 10, no. 6 (June 30, 2022). Accessed July 3, 2024. https://internationaljournalcorner.com/index.php/theijst/article/view/170501.