La`aleh Al-Aali, Mohammed Ali Aour, Mahmoud Radwan Hussein AlZgool. 2020. “Firm Performance in the Telecommunication Sector: Empirical Evidence on the Interplay of Corporate Social Responsibility and Employee Engagement”. International Journal of Advanced Science and Technology 29 (5s), 1539 -49. http://sersc.org/journals/index.php/IJAST/article/view/8210.