Ali Mohammed Alashwal, and Mohammed Hatim Al-Sabahi. “Risk Factors in Construction Projects During Unrest Period in Yemen”. Journal of Construction in Developing Countries 23, no. 2 (September 8, 2026): 43–62. Accessed September 14, 2026. https://ejournal.usm.my/jcdc/article/view/jcdc_vol23-no-2-2018_4.