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Gabriel C M Laeis Author

Willy Legrand, Professor, Department of Tourism, Hospitality & Event Management, IU International University of Applied Sciences, Bonn, Germany.

Joseph S. Chen, Professor, Tourism, Hospitality and Event Management, Department of Health & Wellness Design, School of Public Health, Indiana University, Bloomington, USA.

Gabriel C. M. Laeis Professor, Department of Tourism, Hospitality & Event Management, IU International University of Applied Sciences, Bonn, Germany.