https://wiiw.ac.at/cefta-trade-and-growth-patterns-fifteen-years-since-establishment-dlp-6508.pdf
https://www.ips-journal.eu/index.php?id=344&L=0&tx_news_pi1%5Bnews%5D=4027&tx_news_pi1%5Bcontroller%5D=News&tx_news_pi1%5Baction%5D=detail&utm_source=newsletter&utm_medium=email&utm_campaign=en_745_20200128&cHash=39175afaf2cddc62991b58de9e952cb8
https://www.globaltradealert.org/reports/download/aws/https://gtaupload.s3.eu-west-1.amazonaws.com/Uploads/files/gta31/GTA31.pdf
https://www.mckinsey.com/mgi/our-research/global-trade-explorer?sector=0ag