
http://www.bertelsmann-stiftung.de/fileadmin/files/BSt/Publikationen/GrauePublikationen/NW_EU_Social_Justice_Index_2017.pdf

https://dgap.org/system/files/article_pdfs/DPC%20-%20fully%20study%202023%20-%20final.pdf

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