id	domain	url
futech-618	doi.org	https://doi.org/10.55670/fpll.futech.5.1.18
futech-618	fupubco.com	https://fupubco.com/futech
futech-618	doi.org	https://doi.org/10.55670/fpll.futech.5.1.18
futech-618	fupubco.com	https://fupubco.com/futech
futech-618	www.nber.org	https://www.nber.org/papers/w27344
futech-618	doi.org	https://doi.org/10.1145/3313831.3376727
futech-618	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)
futech-618	creativecommons.org	https://creativecommons.org/licenses/by/4.0