http://www.mirror.co.uk/news/politics/what-2017-general-election-manifestos-10296247
https://www.ips-journal.eu/index.php?id=328&L=0&tx_news_pi1%5Bnews%5D=4271&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Baction%5D=detail&utm_source=newsletter&utm_medium=email&utm_campaign=en_775_20200417&cHash=afff46b3cc05bc5400e3bdcae01320a2
https://www.socialeurope.eu/democracy-without-glue
https://www.lobbycontrol.de/wp-content/uploads/LobbyControl-Jahresbericht_20-21-210630-web2.pdf