id	domain	url
fuen-118	doi.org	https://doi.org/10.55670/fpll.fuen.3.2.3
fuen-118	fupubco.com	https://fupubco.com/fuen
fuen-118	doi.org	https://doi.org/10.55670/fpll.fuen.3.2.3
fuen-118	fupubco.com	https://fupubco.com/fuen
fuen-118	www.epa.gov	https://www.epa.gov
fuen-118	www.statista.com	https://www.statista.com
fuen-118	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)