“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” (2022) Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), 50(3), pp. 75–86. doi:10.55562/jrucs.v50i3.502.