HASSAN RADHY, ZAINB. “The Technique of Robust – Loess in Regression Analysis”. Journal of Al-Qadisiyah for Computer Science and Mathematics 8, no. 1 (August 9, 2017): 22–26. Accessed September 21, 2024. https://jqcsm.qu.edu.iq/index.php/journalcm/article/view/59.