https://wiiw.ac.at/the-granular-trade-and-production-activities-grantpa-database-dlp-6911.pdf
http://trade.ec.europa.eu/doclib/docs/2019/june/tradoc_157964.pdf
https://library.fes.de/pdf-files/international/20258.pdf
https://www.southcentre.int/wp-content/uploads/2022/09/RP143_Brazilian-Competition-Law-and-Access-to-Health-in-Brazil_EN.pdf