Ajeel, Sherzad M., and Hussein A. Hashem. “Comparison Some Robust Regularization Methods in Linear Regression via Simulation Study”. Academic Journal of Nawroz University 9, no. 2 (August 20, 2020): 244–252. Accessed April 24, 2024. https://journals.nawroz.edu.krd/index.php/ajnu/article/view/818.