Al-Subh, S. A., and M. T. Alodat. “Discrimination Between Logistic and Gumbel Distribution”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 36, no. 3, Oct. 2017, pp. 244-55, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8060.