S. A. Al-Obaidi, Taha, and Anthony Higham. “Mapping and Examining the Subcontracting Process Adopted by Iraqi Quasi-Governmental Construction Companies”. International Journal of Engineering & Technology 7, no. 4.20 (November 28, 2018): 364–371. Accessed May 5, 2024. https://sciencepubco.com/index.php/ijet/article/view/26136.