http://intsse.com/wswspdf/en/articles/2019/02/15/zucm-f15.pdf
https://www.resolutionfoundation.org/publications/what-happens-after-the-clapping-finishes/
https://openknowledge.worldbank.org/bitstream/handle/10986/29498/9781464812521.pdf
https://visegradinsight.eu/joyful-disinformation/