Aidi K, Butt NS, Ali MM, Ibrahim M, Yousof HM, Shehata WAM. A Modified Chi-square Type Test Statistic for the Double Burr X Model with Applications to Right Censored Medical and Reliability Data. Pak.j.stat.oper.res. 2021;17(3):615-623. doi:10.18187/pjsor.v17i3.3888