Abadi, Cecep Slamet, Rosidi Rosidi, and Idrus Assagaf. 2019. “ANALISA KEKUATAN WELDING REPAIR BAJA AISI 420 DENGAN METODA GMAW”. Jurnal Poli-Teknologi 18 (3):297-306. https://doi.org/10.32722/pt.v18i3.2396.