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دليل المستخدم
Al-Hamidi، k. (2021). Crowd Management and Epidemic Control at the Grand Mousque: Umrah Performers Safety and Security. مجلة الحج والعمرة، ع915 ، 4 - 7. مسترجع من http://search.mandumah.com/Record/1246588
Al-Hamidi، khaled. "Crowd Management and Epidemic Control At the Grand Mousque: Umrah Performers Safety and Security." مجلة الحج والعمرة ع915 (2021): 4 - 7. مسترجع من http://search.mandumah.com/Record/1246588