Yeong, Wai Chung, Michael Boon Chong Khoo, Mohammad Shamsuzzaman, and Philippe Castagliola. “ECONOMIC-STATISTICAL DESIGN OF THE MULTIVARIATE SYNTHETIC T2 CHART USING LOSS FUNCTION”. International Journal of Industrial Engineering: Theory, Applications and Practice 21, no. 5 (October 20, 2014). Accessed April 26, 2026. https://ijietap.journals.publicknowledgeproject.org/index.php/ijie/article/view/1481.