Saray, Karam Fouad, and Mustafa I. N. Alheety. “A New Convex Estimator for Linear Regression Model”. Iraqi Journal of Science 66, no. 12 (December 30, 2025): 5563–5583. Accessed January 5, 2026. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/13522.