Omar R. Jasim, and Qutaiba N. Nauef. “Use an Improved Chicken Swarm Algorithm to Determine Optimal Stratigraphic Boundaries for a Threshold Geometric Stochastic Process for the Epidemic Covid-19”. PROSPECTIVE RESEARCHES (January 30, 2023). Accessed May 18, 2025. https://pr.hu.edu.iq/index.php/pr/article/view/337.