Doktoei, P., Areepong, Y. and Sukparungsee, S. (2024) “Average Run Length Approximation on a Double Exponentially Weighted Moving Average Control Chart through the Numerical Integral Equation Approach”, Thailand Statistician, 22(4), pp. 926–938. available at: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/256081 (accessed: 15 September 2026).