https://theconversation.com/la-anomalia-empirica-de-las-elecciones-en-argentina-donde-dos-mas-dos-no-suman-cuatro-217319
https://www.tandfonline.com/doi/full/10.1080/13510347.2019.1582029?scroll=top&needAccess=true&
https://blogs.lse.ac.uk/europpblog/2023/09/18/why-spain-continues-to-grapple-with-its-authoritarian-past/