https://www.foreignaffairs.com/united-states/economic-security-state-farrell-newman
http://www.ladocumentationfrancaise.fr/var/storage/rapports-publics/084000459.pdf
http://questionegiustizia.it/articolo/emergenza-sanitaria-dubbi-di-costituzionalita-di-un-giudice-e-di-un-avvocato_14-04-2020.php?fbclid=IwAR0OuwnVMxu86bDPLxkHPKyT4Ssi6VcfNuQPCB1RTC08A_phmYOcovRnYgo
https://www.crisisgroup.org/europe-central-asia/eastern-europe/ukraine/261-peace-ukraine-iii-costs-war-donbas