Peerajit, Wilasinee, and Yupaporn Areepong. 2026. “Integral Equation Solutions to Approximate the Average Run Length of a Long-Memory Seasonal Autoregressive Fractionally Integrated Moving Average Process on an EWMA Control Chart”. Engineering, Technology & Applied Science Research 16 (3). Greece:36840-48. https://doi.org/10.48084/etasr.18603.