ناظم راشد صفوان. “Comparitive Study Between Two Ways Least Squares and Adaptive Regression In Regression Linear Model”. IRAQI JOURNAL OF STATISTICAL SCIENCES 7, no. 2 (December 1, 2007): 175–195. Accessed October 24, 2025. https://stats.uomosul.edu.iq/index.php/stats/article/view/28995.