https://www.imf.org/-/media/Files/Publications/PP/2023/English/PPEA2023001.ashx
https://www.consilium.europa.eu/media/54923/peg-letter-to-pec-march2022-signed.pdf
https://blogs.imf.org/2019/12/17/new-data-on-world-debt-a-dive-into-country-numbers/?utm_medium=email&utm_source=govdelivery
https://gabriel-zucman.eu/files/TWZ2020b.pdf