Samad Sedeeq*, Bekhal. “Life Function Analysis of a Two-Parameter Exponential Distribution Using Robust Rank Regression”. Journal of Economics and Administrative Sciences 30, no. 140 (April 30, 2024): 515–531. Accessed April 6, 2025. https://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/3253.