Role of Total quality Management and Six Sigma in Manufacturing Industry. Journal of Informatics Education and Research, [S. l.], v. 3, n. 2, 2023. DOI: 10.52783/jier.v3i2.70. Disponível em: https://jier.org/index.php/journal/article/view/70. Acesso em: 29 apr. 2026.