id	domain	url
fens-815	doi.org	https://doi.org/10.4316/fens.2021.023
fens-815	fens.usv.ro	http://fens.usv.ro/index.php/fens
fens-815	doi.org	https://doi.org/10.4316/fens.2021.022
fens-815	fens.usv.ro	http://fens.usv.ro/index.php/fens