
http://www.guengl.eu/uploads/news-documents/Working_paper_Border_controls_on_cross_border_trade_in_goods.pdf

https://www.ips-journal.eu/topics/economy-and-ecology/a-plea-for-political-economy-7672/

https://www.iso.org/contents/news/2023/01/how-to-shape-the-future-of-trade.html