M Amin, Sri Yulis. “Porosity Scale Evaluation of Shielded Metal Arc Welding (SMAW) Specimen Using Dye Penetrant Testing ”. Journal of Advanced Mechanical Engineering Applications 5, no. 2 (December 17, 2024): 1–6. Accessed April 8, 2026. https://publisher.uthm.edu.my/ojs/index.php/jamea/article/view/13806.