Talordphop, Khanittha, and Saowanit Sukparungsee. “On Designing New Mixed Moving Average – Extended EWMA Control Chart Based on Sign Statistic”. Applied Science and Engineering Progress 19, no. 2 (April 6, 2026): 7918. accessed October 9, 2026. https://ph02.tci-thaijo.org/index.php/ijast/article/view/264821.