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دليل المستخدم
Elsaed، A. A. (2021). A Comparison Analysis between Soft and Ultra All-Inclusive Accommodation Systems and its Impact on Hotels’ Costs and Profitability in Hurghada City. المجلة العربية لعلوم السياحة والضيافة والآثار، ع3 ، 137 - 158. مسترجع من http://search.mandumah.com/Record/1170849
Elsaed، Ahmed Anwar. "A Comparison Analysis between Soft and Ultra All-Inclusive Accommodation Systems and Its Impact On Hotels’ Costs and Profitability in Hurghada City." المجلة العربية لعلوم السياحة والضيافة والآثار ع3 (2021): 137 - 158. مسترجع من http://search.mandumah.com/Record/1170849