id	domain	url
issue-390	doi.org	https://doi.org/10.30525/2256-0742/2018-4-2-119-125
issue-390	books.google.com.ua	https://books.google.com.ua
issue-390	infotour.in.ua	http://infotour.in.ua/galasjuk13.htm
issue-390	s3.amazonaws.com	http://s3.amazonaws.com/academia.edu.documents/37012535/werthner_et_al_2015.pdf?awsaccesskeyid
issue-390	www.ag-nbi.de	http://www.ag-nbi.de/archiv/www.xml-clearinghouse.de/reports/tourism%20standards.pdf