AKCA, İhsan; TUZCUOĞLU, F. Lean six sigma: A conceptual framework. JOURNAL OF LIFE ECONOMICS, [S. l.], v. 8, n. 3, p. 299–307, 2021. DOI: 10.15637/jlecon.8.3.03. Disponível em: https://journals.gen.tr/index.php/jlecon/article/view/1484. Acesso em: 1 may. 2024.