A Comparison of WK4 and MSE for Regression Model Fitting. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), [S. l.], v. 46, n. 1, p. 530–535, 2021. DOI: 10.55562/jrucs.v46i1.103. Disponível em: https://jrucs.iq/index.php/JAUCS/article/view/103. Acesso em: 28 oct. 2025.