https://reutersinstitute.politics.ox.ac.uk/sites/default/files/2020-06/DNR_2020_FINAL.pdf
https://www.dhl.com/content/dam/dhl/global/dhl-spotlight/documents/pdf/2021-gci-update-report.pdf
https://www.wto.org/english/res_e/booksp_e/gvc_dev_report_2019_e.pdf
https://cyberbrics.info/wp-content/uploads/2021/10/Ian-Brown-COMPETITION-POLICY-BRIEFINGS-IN-THE-BRICS.pdf