1. Department of Economics and Business Administration, College of Economics and Business Administration University of Technology and Applied Sciences Salalah Oman
2. Hotel Management Department, Faculty of Tourism and Hotels Alexandria University Alexandria Egypt
3. Department of Logistics, Tourism, and Service Management, Faculty of Business and Economics German University of Technology in Oman (GUtech) Muscat Oman
4. Gastronomy and Culinary Arts Department, Faculty of Applied Sciences Istanbul Gelisim University Istanbul Turkey
5. Tourism Studies Department, Faculty of Tourism and Hotels Alexandria University Alexandria Egypt
6. Hotel Management Department, Faculty of Tourism and Hotels University of Sadat City Sadat Egypt