معالجة مشكلة التعدد الخطي في الانموذج المعلمي باستخدام بعض طرائق الانكماش : Addressing the problem of Multicollinearity in parametric model using some shrinkage methods. Al Kut Journal of Economics and Administrative Sciences, [S. l.], v. 11, n. 34, p. 169–181, 2019. Disponível em: https://kjeas.uowasit.edu.iq/index.php/kjeas/article/view/225. Acesso em: 26 dec. 2025.