id	domain	url
issue-960	orcid.org	https://orcid.org/0000-0003-2033-5054
issue-960	orcid.org	https://orcid.org/0000-0002-5088-7565
issue-960	doi.org	https://doi.org/10.30525/2256-0742/2021-7-1-115-126
issue-960	www.ier.com.ua	http://www.ier.com.ua/files/publications/policy_papers/german_advisory_group/2003/s23_
issue-960	www.iea.org	https://www.iea.org/publications/freepublications/publication/keyworld-energy-statistics.html