Yasser S. Nassar, Yasser S. Nassar, and Tareq Khaleel. “BUILDING MODEL TO PREDICT LABOUR PRODUCTIVITY USING MULTIPLE LINEAR REGRESSION TECHNIQUE FOR ‘FORMWORK CONCRETE COLUMNS’”. Kufa Journal of Engineering 10, no. 2 (April 2, 2019): 12–26. Accessed August 14, 2021. https://journal.uokufa.edu.iq/index.php/kje/article/view/370.