Nuttinee Hoontrakoon. (2008) Probability limits of X- chart for non-normal distribution /. Kasetsart University,:ม.ป.ท.Nuttinee Hoontrakoon. 2008. Probability limits of X- chart for non-normal distribution /. ม.ป.ท.:Kasetsart University,;Nuttinee Hoontrakoon. Probability limits of X- chart for non-normal distribution /. ม.ป.ท.:Kasetsart University, 2008. Print.