https://henryjacksonsociety.org/wp-content/uploads/2020/12/HJS-Russian-Sanctions-Report-web.pdf
https://fcpablog.com/2020/05/18/the-u-s-has-a-chance-to-target-demand-side-bribery-with-the-crook-act/
https://www.politico.eu/article/sebastian-kurz-austria-politics-corruption/?utm_source=POLITICO.EU&utm_campaign=4f3bfaa83e-EMAIL_CAMPAIGN_2021_10
https://theconversation.com/el-lobby-bajo-la-lupa-es-una-actividad-democratica-221947