An Integrated Lean Six Sigma Framework for Waste Reduction and Resource Efficiency in Manufacturing. International Research Journal of Innovation in Science and Technology, [S. l.], v. 1, n. 4, p. 1–10, 2026. DOI: 10.67308/irjist.043. Disponível em: https://irjist.org/index.php/irjist/article/view/43. Acesso em: 12 oct. 2026.