id	domain	url
essd-680	www.press.ierek.com	http://www.press.ierek.com
essd-680	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
essd-680	www.press.ierek.com	http://www.press.ierek.com
essd-680	creativecommons.org	https://creativecommons.org/licenses/by/4.0
essd-680	crossmark.crossref.org	https://crossmark.crossref.org/dialog/?doi=10.21625/essd.v4i3.680&domain=press.ierek.com
essd-680	www.kyuden.co.jp	http://www.kyuden.co.jp/var/rev0/0149/5535/data_book_2018_all.pdf