https://www.cer.eu/sites/default/files/pbrief_recovery_fund_11.11.21.pdf
https://theconversation.com/bulgaria-is-joining-the-euro-in-january-and-not-everyone-is-pleased-258626
https://wiiw.ac.at/alternatives-in-the-design-of-sovereign-green-bonds-dlp-6412.pdf
https://www.ips-journal.eu/index.php?id=340&L=0&tx_news_pi1%5Bnews%5D=3950&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Baction%5D=detail&utm_source=newsletter&utm_medium=email&utm_campaign=en_737_20191231&cHash=951ba3d83db8a5766c75dc246e3d2c7b