Comparison of Ordinary Least Square (OLS) with Two-Step Robust Weight Least Square (TSRWLS) in Estimating the Parameters of the Multiple Linear Regression Model with Heteroscedastic and Outliers in the Response Variable. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), [S. l.], v. 50, n. 3, p. 75–86, 2022. DOI: 10.55562/jrucs.v50i3.502. Disponível em: https://jrucs.iq/index.php/JAUCS/article/view/502. Acesso em: 16 apr. 2026.