Hussein, mohammed, and Muthanna Sulaiman. “Use the PSO Algorithm to Estimate the Cox Process Parameters”. IRAQI JOURNAL OF STATISTICAL SCIENCES 17, no. 1 (June 1, 2020): 1–9. Accessed September 6, 2025. https://tanmiyat.uomosul.edu.iq/index.php/stats/article/view/29221.