https://www.piie.com/sites/default/files/documents/wp22-12.pdf
https://www.wto.org/english/res_e/booksp_e/oneyukr_e.pdf
https://www.bruegel.org/wp-content/uploads/2022/02/PC-04.pdf
https://trilemma.worldenergy.org/reports/main/2019/2019%20Energy%20Trilemma%20Index.pdf