NASER, J.A. Comparative for the EWMA charts by using non - homogeneous markov chain approach. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 22, n. 4, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1169. Acesso em: 31 mar. 2025.