1. Flora, P.: Introduction and interpretation. In: Flora, P. (Ed.) State Formation, Nation-Building, and Mass Politics in Europe: The Theory of Stein Rokkan, pp. 1–91. Oxford University Press, Oxford, UK (1999)
2. Ira Katznelson, I.: Periodization and preferences: reflections on purposive action in comparative historical social science. In: Mahoney, L., Rueschemeyer, D. (eds.) Comparative Historical Analysis in the Social Sciences, pp. 270–303. Cambridge University Press, New York, NY (2003)
3. Raycheva L., Zankova B., Miteva N., Velinova N., Metanova L. Bulgaria. In: D-5.5. Recommendations for Media Governance. Policy Brief Providing Recommendations for Media Governance. https://www.mediadelcom.eu/publications/d55-recommendations/. Last Accessed 20 Mar 2024. (G Lilia Raycheva, Bissera Zankova, Nadezhda Miteva, Neli Velinova, Lora Metanova)
4. Raycheva, L., Tomov, M., Velinova, N., Metanova, L.: Older persons media usage during a one month election campaign: a Bulgarian case. In: Gao, Zhou, J. (Eds.). Human Aspects of IT for the Aged Population. HCII 2023, LNCS 14042 https://doi.org/10.1007/978-3-031-34866-2_19. Last Accessed 8 Jan 2024
5. Raycheva, L., Velinova, N., Tomov, M., Metanova, L.: The Great Downfall: the Facebook Election Campaign’07.2021: Remake, Dếjà Vu or False Democracy. Bulgarian Academy of Arts and Sciences. (2021). https://www.basa.bg/images/%D0%93%D0%BE%D0%BB%D0%B5%D0%BC%D0%B8%D1%8F%D1%82_%D1%81%D1%80%D0%B8%D0%B2_Facebook_%D0%BF%D1%80%D0%B5%D0%B4%D0%B8%D0%B7%D0%B1%D0%BE%D1%80%D0%BD%D0%B0_%D0%BA%D0%B0%D0%BC%D0%BF%D0%B0%D0%BD%D0%B8%D1%8F_07.2021_remake_deja_vu_%D0%B8%D0%BB%D0%B8_%D1%84%D0%B0%D0%BB%D1%88%D0%B8%D0%B2%D0%B0_%D0%B4%D0%B5%D0%BC%D0%BE%D0%BA%D1%80%D0%B0%D1%86%D0%B8%D1%8F.pdf. Last Accessed 8 Jan 2024