Comparison of Some Estimation Methods for the Multiple Linear Regression Model with Existence of Both Auto - Correlation and Multicollinearity Problems. Al-Rafidain J Sci [Internet]. 2021 Oct. 1 [cited 2024 Nov. 19];46(1):132-56. Available from: https://alhadhar.com/raf-journal/index.php/JAUCS/article/view/73