
https://www.auswaertiges-amt.de/blob/2608580/49d50fecc479304c3da2e2079c55e106/china-strategie-en-data.pdf

https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/1128537/SME_Handbook_TRA.pdf

https://docs.aiddata.org/ad4/pdfs/Banking_on_the_Belt_and_Road__Insights_from_a_new_global_dataset_of_13427_Chinese_development_projects.pdf