https://www.socialeurope.eu/2017/07/imfs-approval-principle-greeces-third-program-depth-look/
https://www.suerf.org/docx/f_ec43638b66e16a5bbede9b710b12b0c7_32333_suerf.pdf
https://knowledge.wharton.upenn.edu/article/why-are-the-markets-collapsing-how-bad-will-covid-19-really-be/?utm_source=kw_newsletter&utm_medium=email&utm_campaign=2020-03-17
https://www.boeckler.de/pdf/p_wsi_report_52_2019.pdf