
https://www.corriere.it/politica/22_novembre_18/di-maio-nuova-vita-sara-inviato-speciale-ue-golfo-persico-trattare-prezzo-petrolio-gas-0805b148-6720-11ed-b05a-06c1012dfe21.shtml

https://apnews.com/article/pandemic-fraud-waste-billions-small-business-labor-fb1d9a9eb24857efbe4611344311ae78

http://www.europeaninstitute.org/index.php/311-european-affairs/ea-october-2017/2242-as-chinese-investment-rises-in-europe-brussels-proposes-greater-scrutiny-of-foreign-purchases-of-eu-based-companies