https://www.wto.org/english/res_e/booksp_e/gvc_dev_report_2019_e.pdf
https://www.iai.it/sites/default/files/iai1910.pdf
https://wiiw.ac.at/trade-balances-and-international-competitiveness-in-cyber-physical-digital-task-intensive-ict-capital-intensive-and-traditional-industries-dlp-6561.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