HIEN, Do Ngoc; DUC, Minh Ly; TUAN, Tran Duc. Integrating Six Sigma into an Industry 4.0 System for Enhanced Productivity: A Case Study in CNC Processes. Management and Production Engineering Review, [S. l.], v. 15, n. 1, p. 44–62, 2024. DOI: 10.24425/mper.2024.149989. Disponível em: https://wydawnictwo.pan.pl/index.php/mper/article/view/5548. Acesso em: 20 sep. 2026.