id	domain	url
educationr-3693	doi.org	https://doi.org/10.14507/er.v30.3693
educationr-3693	doi.org	https://doi.org/10.1007/978-3-319-61231-7_12
educationr-3693	doi.org	https://doi.org/10.48550/arxiv.1403.0059
educationr-3693	creativecommons.org	https://creativecommons.org/licenses/by-sa/4.0/
educationr-3693	creativecommons.org	https://creativecommons.org/licenses/by-sa/4.0