id	domain	url
easat-4238	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
easat-4238	doi.org	https://doi.org/10.7459/es/29.1.01
easat-4238	doi.org	https://doi.org/10.5430/wjel.v13n5p458
easat-4238	doi.org	https://doi.org/10.5430/wjel.v15n1p252
easat-4238	doi.org	https://doi.org/10.1080/02634930600903247
easat-4238	doi.org	https://doi.org/10.1111/j.1754-9469.2004.tb00070.x
easat-4238	creativecommons.org	https://creativecommons.org/licenses/by/4.0
easat-4238	doi.org	https://doi.org/10.7459/es/29.1.01
easat-4238	doi.org	https://doi.org/10.5430/wjel.v13n5p458
easat-4238	doi.org	https://doi.org/10.5430/wjel.v15n1p252
easat-4238	doi.org	https://doi.org/10.1080/02634930600903247
easat-4238	doi.org	https://doi.org/10.1111/j.1754-9469.2004.tb00070.x