https://www.bruegel.org/2022/03/can-europe-manage-if-russian-oil-and-coal-are-cut-off/
https://sipri.org/sites/default/files/2017-12/sipriinsights1712_.pdf
https://blogs.imf.org/2018/06/06/chart-of-the-week-the-rise-of-corporate-giants/?utm_medium=email&utm_source=govdelivery
https://frc.org.uk/news/january-2018-(1)/investigation-into-the-audit-of-the-financial-stat