
https://www.bertelsmann-stiftung.de/fileadmin/files/BSt/Publikationen/GrauePublikationen/WKIO_2020_final.pdf?utm_source=POLITICO.EU&utm_campaign=15a7cc1e87-EMAIL_CAMPAIGN_2020_04_08_08_59&utm_medium=email&utm_term=0_10959edeb5-15a7cc1e87-190380769

https://www.brookings.edu/blog/future-development/2022/07/29/measuring-business-uncertainty-in-developing-and-emerging-economies/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=221280894&utm_source=hs_email

https://theconversation.com/we-need-to-talk-about-chinese-and-us-influence-in-europes-energy-industry-227195