https://vocabularyserver.com/ttla/en/ Thesaurus on tourism and leisure activities World Tourism Organization (WTO) World Tourism Organization (WTO) 2019-03-08 en 2019-03-08 19:52:42 European Union 2019-03-08 19:52:42https://vocabularyserver.com/ttla/en/xml.php?skosTema=998https://vocabularyserver.com/ttla/en/xml.php?skosTema=1005https://vocabularyserver.com/ttla/en/xml.php?skosTema=1009https://vocabularyserver.com/ttla/en/xml.php?skosTema=1011https://vocabularyserver.com/ttla/en/xml.php?skosTema=821