Periz-Ortis, M. & Alvarez-Garcia, J. (Eds.) (2015). Health and Wellness Tourism: Emergence of a New Market Segment. Springer International Publishing Switzerland. ISBN 978-3-319-11490-3. DOI: 10.1007/978-3-319-11490-3_1 - Nuno Abranja; Helena Raposo (ENLIGHTENING TOURISM. A PATHMAKING JOURNAL, 2016)