KHOO, Michael B.C. An Extension for the Univariate Exponentially Weighted Moving Average Control Chart. MATEMATIKA, [S. l.], v. 20, p. 43–48, 2004. DOI: 10.11113/matematika.v20.n.143. Disponível em: https://matematika.utm.my/index.php/matematika/article/view/143. Acesso em: 29 apr. 2024.