https://www.auswaertiges-amt.de/blob/2608580/49d50fecc479304c3da2e2079c55e106/china-strategie-en-data.pdf
https://rhg.com/wp-content/uploads/2022/03/RHG-US-Policy-to-Reduce-Russian-Energy-Leverage.pdf
https://havli.substack.com/p/kazakhstans-pipeline-diplomacy