KHASAWNEH, Mohammad, Bashar M. AL NAJDAWI, Hakam S. SHATNAWI, & Samer Fandi ABABNEH. " Corporate Social Responsibility, Knowledge of COVID-19, and Risk Perception in International Tourism Enterprises." Journal of Environmental Management and Tourism [Online], 13.6 (2022): 1574-1583. Web. 8 Feb. 2023