https://www.epsu.org/sites/default/files/article/files/Going%20Public_EPSU-PSIRU%20Report%202019%20-%20EN.pdf
https://wiiw.ac.at/oeffentliche-investitionen-und-sozialstaat-perspektiven-der-budgetpolitik-im-kontext-von-energiekrise-klimawandel-und-eu-budgetregeln-dlp-6484.pdf
https://forestdeclaration.org/images/uploads/resource/2019NYDFReport.pdf