id	domain	url
easat-4487	orcid.org	https://orcid.org/0000-0001-5774-0518
easat-4487	sizekorea.kr	https://sizekorea.kr/
easat-4487	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
easat-4487	doi.org	https://doi.org/10.3341/jkos.2010.51.12.1598
easat-4487	doi.org	https://doi.org/10.5762/kais.2012.13.10.4557
easat-4487	creativecommons.org	https://creativecommons.org/licenses/by/4.0
easat-4487	doi.org	https://doi.org/10.3341/jkos.2010.51.12.1598
easat-4487	doi.org	https://doi.org/10.5762/kais.2012.13.10.4557
easat-4487	doi.org	https://doi.org/10.5850/jksct.2009.33.5.775
easat-4487	doi.org	https://doi.org/10.6115/fer.2016.022
easat-4487	doi.org	https://doi.org/10.5850/jksct.2009.33.5.775
easat-4487	doi.org	https://doi.org/10.6115/fer.2016.022