Exploring the Synergy Between Six Sigma and Lean Methodologies in Process Improvement . Global Journal of Innovative Research Perspectives, [S. l.], v. 2, n. 1, p. Jan (1–16), 2026. Disponível em: https://gjirp.org/index.php/gjirp/article/view/31. Acesso em: 5 apr. 2026.