http://www.britishelectionstudy.com/bes-findings/what-mattered-most-to-you-when-deciding-how-to-vote-in-the-eu-referendum/#.WWPVLnmQw2z
https://www.socialeurope.eu/berlusconi-populist-pioneer-who-rode-italy-into-the-sand
https://www.instituteforgovernment.org.uk/sites/default/files/publications/5890%20IFG%20-%20Whitehall%20Monitor%202018%20web.pdf