id	domain	url
issue-939	orcid.org	https://orcid.org/0000-0002-6050-6500
issue-939	doi.org	https://doi.org/10.30525/2256-0742/2020-6-5-171-177
issue-939	www.belstat.gov.by	http://www.belstat.gov.by
issue-939	www.ukrstat.gov.ua	http://www.ukrstat.gov.ua
issue-939	data.worldbank.org	https://data.worldbank.org