Sukparungsee S. ROBUSTNESS OF GENERALLY WEIGHTED MOVING AVERAGE SIGNED – RANK CONTROL CHART FOR MONITORING A SHIFT OF SKEW PROCESSES . mijst [Internet]. 2018 Nov. 21 [cited 2024 May 7];4(3):125-37. Available from: https://grdspublishing.org/index.php/matter/article/view/1636