https://merics.org/sites/default/files/2022-06/R%26D%20report_EN.pdf
https://www.japantimes.co.jp/opinion/2023/01/22/commentary/world-commentary/chinese-government-control/?utm_source=newsletter&utm_medium=email&utm_campaign=23%2F01%2F2023+(Copy)
https://www.opendemocracy.net/en/dark-money-investigations/laws-protecting-britains-democracy-from-big-money-are-broken/
https://freedomhouse.org/sites/default/files/2020-04/05062020_FH_NIT2020_vfinal.pdf