Links
[1] https://civilresistance.info/biblio-item/2009/postcommunist-transition-two-acts-1996-7-antigovernment-struggle-bulgaria-bridge
[2] https://civilresistance.info/biblio-item/2009/democracy-and-authoritarianism-postcommunist-world
[3] https://civilresistance.info/section/d-resisting-authoritarianism-post-communist-and-post-soviet-regimes/d-ii-electoral-0