You, H. W., Z.L. Chong, W. L. Teoh, M.B.C. Khoo, and W.C. Yeong. “An Expected Average Run Length (EARL) Performance Comparison of the SSGR and EWMA Control Charts”. International Journal of Integrated Engineering 15, no. 5 (October 19, 2023): 35–40. Accessed July 18, 2024. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/14197.