id	domain	url
essd-884	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
essd-884	www.press.ierek.com	http://www.press.ierek.com
essd-884	www.press.ierek.com	http://www.press.ierek.com
essd-884	crossmark.crossref.org	https://crossmark.crossref.org/dialog/?doi=10.21625/essd.7i2.884&domain=press.ierek.com