M. Shuaib Khan, M. Aleem and Akbar Ali Shah (2010) “Estimation Methods of Theree Parameters Discrete Generalized Exponential Distribution”, Pakistan Journal of Commerce and Social Sciences, 4(2), pp. 156–165. Available at: https://jes.ac.pk/index.php/jes/article/view/629 (Accessed: 15 August 2026).