https://www.project-syndicate.org/commentary/moodys-downgrade-china-sovereign-debt-rating-by-yu-yongding-2017-06
https://www.slideshare.net/SITEStockholm/the-russian-economy-under-putin-91262698
https://carnegieendowment.org/2022/01/06/why-kremlin-lies-understanding-its-loose-relationship-with-truth-pub-86132