id	domain	url
issue-513	doi.org	https://doi.org/10.30525/2256-0742/2018-4-4-306-314
issue-513	www.ukrstat.gov.ua	http://www.ukrstat.gov.ua/operativ/menu/menu_u/sestr.htm
issue-513	eur-lex.europa.eu	https://eur-lex.europa.eu/legal-content/en/txt/?uri=celex%3a52000ir0039
issue-513	s3platform.jrc.ec.europa.eu	http://s3platform.jrc.ec.europa.eu/esif-viewer?p_