Wahyudi, Eko. “PENURUNAN KEKUATAN IMPACT BAJA ST 37 AKIBAT PENGELASAN SMAW”. Otopro 14, no. 2 (October 22, 2019): 64–70. Accessed June 23, 2025. https://journal.unesa.ac.id/index.php/jo/article/view/6040.