https://papers.ssrn.com/sol3/Delivery.cfm/SSRN_ID3934683_code1082902.pdf?abstractid=3479439&mirid=1
http://justfair.org.uk/wp-content/uploads/2019/01/JFothers-submission-WPC-Dec2018-FINAL.pdf
https://ecfr.eu/special/energy-deals-tracker/
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2020-dt-agroecologie-aout.pdf