Sukparungsee, S. 2018. ROBUSTNESS OF GENERALLY WEIGHTED MOVING AVERAGE SIGNED – RANK CONTROL CHART FOR MONITORING A SHIFT OF SKEW PROCESSES . MATTER: International Journal of Science and Technology. 4, 3 (Nov. 2018), 125–137. DOI:https://doi.org/10.20319/mijst.2018.43.125137.