Al-Towaijri , H. . . “The Organizational Excellence and Its Role in Achieving Competitive Advantage at Qassim University In View of Saudi Arabia’s Vision 2030”. Dirasat: Educational Sciences, vol. 47, no. 2, June 2020, pp. 451-72, http://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/2304.