"The Effects of International Economic Crises on the Tourism Sector: A Review of Tourism Demand, Employment, and Sectoral Resilience". SAER Journal 1, no. 1 (سبتمبر 29, 2026): 1–6. تاريخ الوصول أكتوبر 28, 2026. https://saerjournal.org/index.php/saerjournal/article/view/28.