PARCHAMI, A.; MASHINCHI, M.; YAVARI, A. R.; MALEKI, H. R. Process Capability Indices as Fuzzy Numbers. Austrian Journal of Statistics, [S. l.], v. 34, n. 4, p. 391–402, 2016. DOI: 10.17713/ajs.v34i4.425. Disponível em: https://www.ajs.or.at/index.php/ajs/article/view/vol34%2C%20no4%20-%206. Acesso em: 9 oct. 2025.