Chananet, Chanaphun, Yupaporn Areepong, and Saowanit Sukparungsee. “An Approximate Formula for ARL in Moving Average Chart with ZINB Data”. Thailand Statistician 13, no. 2 (July 30, 2015): 209–222. accessed September 28, 2026. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/37773.