Production Improvement through the application of Six Sigma in Small Scale Industry: ACase Study. International Journal of Current Engineering and Technology, [S. l.], v. 4, n. 4, p. 2926–2932, 2014. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/1170. Acesso em: 11 apr. 2026.