id	domain	url
easat-2105	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
easat-2105	creativecommons.org	https://creativecommons.org/licenses/by/4.0
easat-2105	www.sagepub.com	http://www.sagepub.com/upmdata/19291_chapter_7.pdf