id	domain	url
fuen-120	doi.org	https://doi.org/10.55670/fpll.fuen.3.2.1
fuen-120	fupubco.com	https://fupubco.com/fuen
fuen-120	doi.org	https://doi.org/10.55670/fpll.fuen.3.2.1
fuen-120	fupubco.com	https://fupubco.com/fuen
fuen-120	books.google.com	https://books.google.com,
fuen-120	creativecommons.org	https://creativecommons.org/licenses/by/4.0/)