
https://s3-ap-southeast-2.amazonaws.com/ad-aspi/2021-09/SR%20174%20Iron%20ore%20futures.pdf?VersionId=d32.E4BCFn5myQBTU.ji3KAw6.U8BP9Q

https://institute.global/news/customs-and-exiting-european-union

https://libertystreeteconomics.newyorkfed.org/2023/01/global-supply-chain-pressure-index-the-china-factor/