2026. Analisis Cacat Permukaan dan Kekerasan pada Stainless Steel 304 Hasil Pengelasan TIG dengan dan Tanpa Filler Rod : Analysis of Surface Defects and Hardness in 304 Stainless Steel from TIG Welding With and Without Filler Rod. Journal of Technology, Innovation and Reseach in Engineering. 1, 1 (Jun. 2026), 7–12.