Minimizing Product Rejection in Small Scale Industries using Six Sigma Approach-A case study. International Journal of Current Engineering and Technology, [S. l.], v. 3, n. 4, p. 1436–1439, 2013. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/214. Acesso em: 6 apr. 2026.