
https://theconversation.com/how-vladimir-putin-projects-his-image-as-a-modern-day-peter-the-great-232612

https://blogs.lse.ac.uk/europpblog/2019/02/14/topic-modelling-the-2019-european-parliament-elections-the-long-awaited-battle-over-the-soul-of-europe/

https://ec.europa.eu/info/sites/info/files/economy-finance/dp074_en.pdf