1. Faculty of Tourism and Hotels, University of Sadat City, Sadat City, Egypt
2. Scientific Research Department, University of Technology and Applied Sciences, Salalah, Oman
3. Faculty of Tourism and Hotels, Fayoum University, Fayoum, Egypt
4. Tourism Department, College of Arts and Social Sciences, Sultan Qaboos University, Muscat, Oman
5. School of Business and Law, Edith Cowan University, Joondalup, Australia