https://wiiw.ac.at/alternatives-in-the-design-of-sovereign-green-bonds-dlp-6412.pdf
https://www.ips-journal.eu/topics/economy-and-ecology/the-role-of-public-debt-in-the-new-normal-6506/?utm_campaign=en_1072_20230213&utm_medium=email&utm_source=newsletter
https://www.ifs.org.uk/uploads/publications/bns/BN243.pdf
https://www.esri.ie/system/files/publications/SUSTAT123_2.pdf