Febrianice, and Dutho Suh Utomo. “ANALISIS KUALITAS HASIL PENGELASAN MENGGUNAKAN METODE SIX SIGMA GUNA MENGURANGI WELD DEFECT”. Jurnal Teknik Industri Universitas Bung Hatta 11, no. 1 (June 1, 2024): 11 - 24. Accessed October 28, 2024. https://ejurnal.bunghatta.ac.id/index.php/JTI-UBH/article/view/26849.