Al Dibi’i, Ro’ya, Rosmanjawati Abdul Rahman, and Amjad Al-Nasser. 2024. “Weighted Grouping Estimation Method for Fitting Multiple Structural Regression Model When All Variables Are Subject to Errors”. Pakistan Journal of Statistics and Operation Research 20 (3), 471-88. https://doi.org/10.18187/pjsor.v20i3.4483.