Mohammed, Salam. “The Use of the Genetic Algorithm to Estimate the Parameters Function of the Hypoexponential Distribution by Simulation”. Journal of Economics and Administrative Sciences 27, no. 126 (February 28, 2021): 583-591. Accessed May 15, 2021. https://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/2126.