id	domain	url
issue-800	orcid.org	https://orcid.org/0000-0002-4201-8028
issue-800	orcid.org	https://orcid.org/0000-0002-9897-3139
issue-800	doi.org	https://doi.org/10.30525/2256-0742/2020-6-2-1-8
issue-800	sustainabledevelopment.un.org	https://sustainabledevelopment.un.org/content
issue-800	www.popt.2007-2013.gov.pl	https://www.popt.2007-2013.gov.pl/konfszkol/documents/zasady_zrownowazonego_
issue-800	apcz.umk.pl	https://apcz.umk.pl/czasopisma/index.php
issue-800	apcz.umk.pl	https://apcz.umk.pl/czasopisma/index.php
issue-800	www.unic.un.org.pl	http://www.unic.un.org.pl/strony-2011-2015
issue-800	papers.ssrn.com	https://papers.ssrn.com/sol3/papers.cfm?abstract_id=1481723
issue-800	repozytorium.uwb.edu.pl	https://repozytorium.uwb.edu.pl/jspui/bitstream/11320/3441/1/bsp_18_2015_rakoczy.pdf
issue-800	depot.ceon.pl	https://depot.ceon.pl/bitstream/handle/123456789/4712/rozwój%20zrównowa%20ony%20w%20skali%20
issue-800	doi.org	https://doi.org/10.9770/jssi.2019.9.2(20
issue-800	doi.org	https://doi.org/10.1186/s40852-017-0063-2
issue-800	sswm.info	https://sswm.info/sites/default/files/reference_
issue-800	sustainabledevelopment.un.org	https://sustainabledevelopment.un.org/post2015
issue-800	core.ac.uk	https://core.ac.uk