“Welding Defect Analysis in Low Carbon Steel SMAW Joints Using Visual Inspection and Liquid Penetrant Test As a Basis for Welding Quality Control”. Jurnal Vokasi Mekanika 8, no. 3 (August 31, 2026): 179–192. Accessed August 11, 2026. http://vomek.ppj.unp.ac.id/index.php/vomek/article/view/958.