ZULKARNAEN, I.; KURNIA, H.; SAING, B.; APRIYANI, A.; NURYONO, A. Reduced painting defects in the 4-wheeled vehicle industry on product type H-1 using the lean six sigma-DMAIC approach. Jurnal Sistem dan Manajemen Industri, v. 7, n. 2, p. 179-192, 28 Dec. 2023.