Sayfutdinova, Leyla, and Dragomir Stoyanov. “Protest Movements and the Bulgarian Parliamentary Elections of 2013–2014”. Socio.hu Társadalomtudományi Szemle, vol. 7, no. SI5, Dec. 2017, pp. 131–42, https://doi.org/10.18030/socio.hu.2017en.131.