N. H. Al-Emad and S. Nagapan, “Identification of Delay Factors from Mecca’s Construction Experts Perspective”, ijscet, vol. 6, no. 2, pp. 16–25, Sep. 2015, Accessed: Jul. 02, 2024. [Online]. Available: https://publisher.uthm.edu.my/ojs/index.php/IJSCET/article/view/1126