Albasoos, H., and M. Al Maashani. “The Private Military and Security Contractors in Armed Conflicts under International Humanitarian Law: Case Study of Russian PMSCs”. International Journal of Research in Business and Social Science (2147- 4478), vol. 9, no. 3, Apr. 2020, pp. 149-56, doi:10.20525/ijrbs.v9i3.653.