SAHBAZ, I.; TANER, M. T.; KAGAN, G.; SANISOGLU, H.; ERBAS, E.; DURMUS, E.; TUNCA, M.; ENGINYURT, H. Deployment of Six Sigma Methodology in Phacoemulsification Cataract Surgery. International Review of Management and Marketing, [S. l.], v. 4, n. 2, p. 123–131, 2014. Disponível em: https://www.econjournals.com/index.php/irmm/article/view/778. Acesso em: 25 apr. 2024.