| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Advances in Tourism, Technology and Smart Systems: Proceedings of ICOTTS 2019 | 978-981-15-2O23-5 (981-15-2O23-2) | 2019 | Álvaro Rocha · António Abreu · João Vidal de Carvalho · Dália Liberato · Elisa Alén González |
Peter Lafferty · Peter Lefferts · Peter Leibfried · Peter Liebewirth · Peter Liebhard · Peter Lieverdink · Peter Lippert · Peter Loveridge · Pietro Leveratto