id	domain	url
easat-4028	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
easat-4028	creativecommons.org	https://creativecommons.org/licenses/by/4.0
easat-4028	doi.org	https://doi.org/10.7752/jpes.2018.04333
easat-4028	doi.org	https://doi.org/10.4108/eai.18-10-2018.2287433
easat-4028	doi.org	https://doi.org/10.13189/ujer.2020.081106