https://www.bruegel.org/wp-content/uploads/2021/10/Storms-Ahead_AGH_chp6.pdf
https://www.europarl.europa.eu/meetdocs/2009_2014/documents/deea/dv/2203_07/2203_07en.pdf
https://havli.substack.com/p/in-central-asia-iran-has-friends
https://www.mckinsey.com/mgi/our-research/the-complication-of-concentration-in-global-trade