References 
Abir, M. (1988). Saudi Arabia in the Oil Era: Regime and Elites: Conflict and Collaboration. Croom Helm.  
Metz, H.C. (1993). Saudi Arabia: a country study/Federal Research Division, Library of Congress. Supt. of Docs., U.S. G.P.O. 
Royal Embassy of Saudi Arabia in Washington, DC (2017). Retrieved from  
Smith, L. (2017). Higher Education in Saudi Arabia: Achievements, Challenges and Opportunities Series: Higher Education Dynamics, Vol. 40. Springer. 
 
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