Yudatama, Narendra Yusuf, et al. “The Effect of Penetrant Non-Destructive Test Dwell Time on GMAW Results on Welding Defects in S355J2 Carbon Steel Material”. Jurnal Teknik Mesin (Journal Of Mechanical Engineering), vol. 15, no. 02, Sept. 2026, https://publikasi.mercubuana.ac.id/index.php/jtm/article/view/36918.