Solution of quality problems applying the six sigma methodology. Case study: welding production process. Revista Semilleros de Investigación, [S. l.], v. 6, n. 1, p. 36–44, 2023. DOI: 10.24054/sei.v6i1.3710. Disponível em: https://ojs.unipamplona.edu.co/index.php/seminve/article/view/3710. Acesso em: 16 oct. 2025.