CAHYA, H. N. Six Sigma Analysis as an Approach to Improve Quality of Corrugated Zinc Sheet Product. Jurnal Penelitian Ekonomi dan Bisnis, [S. l.], v. 6, n. 2, p. 75–89, 2021. DOI: 10.33633/jpeb.v6i2.4638. Disponível em: https://publikasi.dinus.ac.id/index.php/jpeb/article/view/4638. Acesso em: 22 nov. 2024.