Suganya Phantu, Yupaporn Areepong, & Saowanit Sukparungsee. (2023). Average Run Length Formulas for Mixed Double Moving Average - Exponentially Weighted Moving Average Control Chart. Science & Technology Asia, 28(1), 77–89. Retrieved from https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/248877