id	domain	url
gp-38	creativecommons.org	https://creativecommons.org/licenses/by-sa/4.0
gp-38	creativecommons.org	https://creativecommons.org/licenses/by-sa/4.0
gp-38	creativecommons.org	https://creativecommons.org/licenses/by-sa/4.0
gp-38	doi.org	https://doi.org/10.1016/j.ijedudev.2018.02.006