https://www.wto.org/english/res_e/booksp_e/anrep_e/anrep17_e.pdf
https://www.aspistrategist.org.au/the-global-race-to-secure-critical-minerals-heats-up/?utm_medium=email&utm_campaign=Weekly%20The%20Strategist&utm_content=Weekly%20The%20Strategist+CID_b128073268731abc9821bbad92c016c9&utm_source=CampaignMonitor&utm_term=The%20global%20race%20to%20secure%20critical%20minerals%20heats%20up
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