
http://www.theglobalipcenter.com/wp-content/uploads/2018/02/GIPC_IP_Index_2018.pdf

https://ukandeu.ac.uk/reforming-investor-state-dispute-settlement-eu-initiatives-and-uk-ambivalence/

https://www.nscai.gov/wp-content/uploads/2021/03/Full-Report-Digital-1.pdf