E. Jaafar, “A Comparative study between seemingly unrelated regression equations (SURE) and the ordinary least squares method (OLS) in determining labor demand in Iraq for the years (1990-2020): A Comparative study between seemingly unrelated regression equations (SURE) and the ordinary least squares method (OLS) in determining labor demand in Iraq for the years (1990-2020)”, GEJ, vol. 39, no. 56, pp. 37–74, Jun. 2023.