“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 ), vol. 50, no. 3, Jan. 2022, pp. 75-86, https://doi.org/10.55562/jrucs.v50i3.502.