CIRAVEGNA MARTINS DA FONSECA , L. M. In search of Six Sigma in Portuguese SMEs. International Journal of Industrial Engineering and Management, [S. l.], v. 8, n. 1, p. 31–38, 2017. DOI: 10.24867/IJIEM-2017-1-104. Disponível em: https://ijiemjournal.uns.ac.rs/index.php/ijiem/article/view/201. Acesso em: 5 oct. 2024.