https://blogs.lse.ac.uk/europpblog/2023/01/16/what-the-cosco-affair-told-us-about-germanys-relations-with-china/
https://ecipe.org/wp-content/uploads/2022/11/CEP-Publication-Strategic-partnership-FINAL-final.pdf
https://www.investigate-europe.eu/posts/congo-brazzaville-european-oil-companies-petronor-perenco-secret-interests-with-ruling-family