Khalil, Mohamed G., and Emadeldin I. A. Ali. “A Generalization of Burr Type XII Distribution With Properties, Copula and Modeling Symmetric and Skewed Real Data Sets: A Generalization of Burr Type XII Distribution”. Pakistan Journal of Statistics and Operation Research 19, no. 1 (March 6, 2023): 77-101. Accessed August 1, 2025. https://pjsor.com/pjsor/article/view/3377.