Al-Nasser, A., A. Al-Omari, and M. Al-Rawwash. “MONITORING THE PROCESS MEAN BASED ON QUALITY CONTROL CHARTS USING ON FOLDED RANKED SET SAMPLING”. Pakistan Journal of Statistics and Operation Research, Vol. 9, no. 1, Feb. 2013, pp. 79-92, doi:10.18187/pjsor.v9i1.382.