da Silva, Ana Lúcia, Enyleide Noqueira, Wiliams Campos, Jorge Júnior, and Miguel De Albuquerque. “USING CONTROL CHARTS FOR VARIABLES ( ”. ITEGAM-JETIA 5, no. 18 (June 12, 2019): 105-112. Accessed May 6, 2025. https://www.itegam-jetia.org/journal/index.php/jetia/article/view/419.