https://www.ipg-journal.de/interviews/artikel/die-gruene-falle-3380/
https://www.ips-journal.eu/index.php?id=340&L=0&tx_news_pi1%5Bnews%5D=3569&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Baction%5D=detail&cHash=d26f1f115fd9e4efe0c4ae0efcba57a2
https://www.socialeurope.eu/eu-member-state-determined-others-greek-tragedy
https://www.socialeurope.eu/2017/07/european-welfare-states-perform/