id	keyword
ertr-886	covid-19
ertr-886	pandemic
ertr-886	tourism
ertr-886	covid-19 pandemic
ertr-886	research
ertr-886	hospitality
ertr-886	facilities
ertr-886	industry
ertr-886	accommodation
ertr-886	czech
ertr-886	hotel
ertr-886	catering
ertr-886	republic
ertr-886	review
ertr-886	business
ertr-886	time
ertr-886	vol
ertr-886	ertr