Enshassi, Adnan, Sherif Mohamed, and Peter Eduard Mayer. “Factors Affecting Labour Productivity in Building Projects in the Gaza Strip”. Journal of Civil Engineering and Management 13, no. 4 (December 31, 2007): 245-254. Accessed November 25, 2024. https://mma.vgtu.lt/index.php/JCEM/article/view/7687.