
https://www.wilsonquarterly.com/quarterly/africa-matters/building-the-foundations-of-democracy-in-sudan

https://blogs.imf.org/2019/07/15/corporate-tax-rates-how-low-can-you-go/?utm_medium=email&utm_source=govdelivery

https://news.economiesuisse.ch/e/4f927f3c6102b2b8/nl/be1670358d5baafc939d524a/webversion/99eb2b6c427d84cd57951418b2ea143e45e209af/de.html