MESTAN, Adnan. From Tirnovo Constitution to the Multi-Party Period: The Democratization Process of Bulgaria. International Journal of Social, Political and Economic Research, [S. l.], v. 13, n. 01, p. 1–16, 2026. DOI: 10.5281/zenodo.18802260. Disponível em: https://ijosper.uk/index.php/i/article/view/297. Acesso em: 28 feb. 2026.