AI- GOBURI, A. N. An Efficient S.brunken Estimators For The Mean Of Normal Population With Kuown Variance. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 21, n. 3, p. 159–165, 2017. Disponível em: https://jih.uobaghdad.edu.iq/index.php/j/article/view/1418. Acesso em: 14 mar. 2025.