BUTTREY, S. E. An Excel Add-In for Statistical Process Control Charts. Journal of Statistical Software, [S. l.], v. 30, n. 13, p. 1–12, 2009. DOI: 10.18637/jss.v030.i13. Disponível em: https://www.jstatsoft.org/index.php/jss/article/view/v030i13. Acesso em: 21 nov. 2024.