1. Centre of Applied Research in Management and Economics (CARME), School of Technology and Management (ESTG), Polytechnic of Leiria, 2411-901 Leiria, Portugal
2. Research Center in Business Sciences, NECE (UBI), 6200-209 Covilhã, Portugal
3. Spinner Innovation Centre (SIC), 2840-626 Lisbon, Portugal
4. Scientific Research Department, Business Department, University of Technology and Applied Sciences, Salalah 211, Oman
5. Faculty of Tourism and Hotels, Fayoum University, Fayoum 99999, Egypt
6. Faculty of Computer Science, College of Computing and Information Sciences, University of Technology and Applied Sciences, Salalah 211, Oman