id	domain	url
fens-770	doi.org	https://doi.org/10.4316/fens.2021.007
fens-770	www.fia.usv.ro	www.fia.usv.ro/fiajournal
fens-770	www.fia.usv.ro	http://www.fia.usv.ro/fiajournal
fens-770	ec.europa.eu	https://ec.europa.eu/eurostat/statisticsexplained/inde