Evaluating the Effectiveness of Six Sigma in a Manufacturing Plant: Basis for Strategic Planning. The International Review of Multidisciplinary Research, [S. l.], v. 1, n. 8, p. 1–9, 2026. DOI: 10.67167/vertex.587. Disponível em: https://vertexcorp.org/index.php/irmr/article/view/587. Acesso em: 2 jun. 2026.