
https://files.taxfoundation.org/20211014170634/International-Tax-Competitiveness-Index-2021.pdf

https://static1.squarespace.com/static/58ed40453a04116f46e8d99b/t/615493df7e967732e8b2592f/1632932843444/Better+Together.pdf

https://www.irena.org/-/media/Files/IRENA/Agency/Publication/2021/March/IRENA_World_Energy_Transitions_Outlook_2021.pdf