https://www.populismstudies.org/wp-content/uploads/2023/03/Download-Report-on-Bulgaria.pdf
https://rasmussenglobal.com/media/ukrainereform-much-achieved?utm_source=POLITICO.EU&utm_campaign=dc665a2cd3-EMAIL_CAMPAIGN_2017_07_12&utm_medium=email&utm_term=0_10959edeb5-dc665a2cd3-189647205
https://www.ipg-journal.de/rubriken/aussen-und-sicherheitspolitik/artikel/die-maer-vom-trumpschen-rachefeldzug-4437/
https://blogs.timesofisrael.com/what-if-putin-declared-victory-and-walked-away/