Design of a Conceptual Model for Improving Company Performance Based on Lean Management Applying the Viable System Model (VSM). European Journal of Formal Sciences and Engineering, [S. l.], v. 6, n. 2, p. 1–23, 2023. Disponível em: https://revistia.com/index.php/ejfe/article/view/1844. Acesso em: 10 jan. 2026.