https://openknowledge.worldbank.org/bitstream/handle/10986/36647/What-Has-Been-the-Impact-of-COVID-19-on-Debt-Turning-a-Wave-into-a-Tsunami.pdf?sequence=1&isAllowed=y
https://www.ips-journal.eu/topics/economy-and-ecology/how-credit-rating-agencies-could-derail-the-economic-recovery-5053/?utm_campaign=en_876_20210323&utm_medium=email&utm_source=newsletter
https://www.occrp.org/en/rotenberg-files/