http://visionofhumanity.org/app/uploads/2017/06/GPI-2017-Report-1.pdf
https://www.ftm.eu/transparency-gap
https://www.spiked-online.com/2021/10/01/the-myth-of-angela-merkel/
https://www.standaard.be/cnt/dmf20200410_04920072?articlehash=460CBACD88E7E5188A3796D67E7B691E6BB95496B2620AC94A3306A4F1BAE1069BD2035DEC4AD44A3B2DC7387D4EF9ACB2B3F05B3E54E4D2672A8A194120D697