id	domain	url
essd-833	www.press.ierek.com	http://www.press.ierek.com
essd-833	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
essd-833	www.press.ierek.com	http://www.press.ierek.com
essd-833	creativecommons.org	https://creativecommons.org/licenses/by/4.0
essd-833	crossmark.crossref.org	https://crossmark.crossref.org/dialog/?doi=10.21625/essd.v6i2.833&domain=press.ierek.com