Chalaki, Kamyar, and Aliasghar Bazdar. “Robust Economic Design of T2 Control Chart in Variable Sampling Interval Schemes”. International Journal of Industrial Engineering: Theory, Applications and Practice 26, no. 3 (July 20, 2019). Accessed November 25, 2024. https://ijietap.journals.publicknowledgeproject.org/index.php/ijie/article/view/3749.