id	domain	url
csp-250	doi.org	https://doi.org/10.15826/csp.2021.5.2.135
csp-250	changing-sp.com	https://changing-sp.com
csp-250	changing-sp.com	https://changing-sp.com
csp-250	doi.org	https://doi.org/10.1007/978-3-030-54046-3
csp-250	doi.org	https://doi.org/10.1007/978-3-030-54046-3