Peerajit, Wilasinee. “Cumulative Sum Control Chart Applied to Monitor Shifts in the Mean of a Long-memory ARFIMAX(p,d*,q,r) Process with Exponential White Noise”. Thailand Statistician 20, no. 1 (December 30, 2021): 144–161. accessed September 30, 2026. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/245854.