Omar Ahmed Abu-Shawiesh, Moustafa, Aamir Saghir, Mohammed Hani Mufleh Almomani, Mokhtar Abdullah, and Hatim Solayman Ahmed Migdadi. 2021. “A Comparative Analysis of Robust Moving Average Control Charts for Process Dispersion”. Thailand Statistician 19 (2):228-47. https://ph02.tci-thaijo.org/index.php/thaistat/article/view/243845.