https://theconversation.com/el-auge-de-las-derechas-elecciones-europeas-y-cambio-de-paradigma-227659
https://www.whitehouse.gov/wp-content/uploads/2018/10/The-Opportunity-Costs-of-Socialism.pdf
https://theconversation.com/the-maths-of-rightwing-populism-easy-answers-confidence-reassuring-certainty-221355