Peerajit, W. . “Determining the ARL for a Shift in the Mean of a Long-Memory ARFIMA(1, D, 1)(1, D, 1)s Process With Exponential White Noise Running on a CUSUM Control Chart”. Thailand Statistician, vol. 22, no. 2, Mar. 2024, pp. 407-29, https://ph02.tci-thaijo.org/index.php/thaistat/article/view/253432.