id	domain	url
issue-258	dx.doi.org	http://dx.doi.org/10.30525/2256-0742/2017-3-5-1-5
issue-258	www.ukrstat.gov.ua	www.ukrstat.gov.ua
issue-258	www.ukrstat.gov.ua	www.ukrstat.gov.ua
issue-258	www.ukrstat.gov.ua	http://www.ukrstat.gov.ua