Proceedings of the 4th International Conference on Tourism Research ICTR 2021

International Conference on Tourism Research ICTR 2021. virtual conference. Proceedings of the 4th International Conference on Tourism Research ICTR 2021 : a virtual conference hosted by the School of Hospitality and Tourism (ESHT), Polytechnic Institute of Porto, Portugal, 20-21 May 2021. 1. vyd. Reading : Academic Conferences International Limited, 2021. 676 s. Dostupné na internete: <http://www.academic-conferences.org/policies/ethics-policy-for-publishing-in-the-conference-> <https://tinyurl.com/ICTR21> ISBN 978-1-912764-93-8. ISSN 2516-3604.