Alhanai, Yasser, and Dr. Maria Teresa Matriano. “Issues and Challenges Faced by SME’s in Sultanate of Oman During COVID-19: A Case Study of the Tourism Sector”. Advances in Social Sciences Research Journal 8, no. 9 (September 9, 2021): 1–17. Accessed February 3, 2026. http://116.203.177.230/index.php/ASSRJ/article/view/10819.