Al-Saud, Anbarah Khames B. “The Economic Impact of Coronavirus Disease (COVID-19): A Study on Tourism Indicators in the Kingdom of Saudi Arabia”. International Journal of Advanced Engineering Research and Science 10, no. 05 (May 14, 2023). Accessed October 6, 2024. https://i.ihspublishing.com/index.php/ijaers/article/view/239.