1. Bruce, C.: The Seven Faces of Information Literacy. Auslib Press, Adelaide (1997)
2. Špiranec, S., Pejova, Z.: Information literacy in South-East Europe: formulating strategic initiatives, making reforms and introducing best practices. Int. Inf. Libr. Rev. 42(2), 75–83 (2010)
3. Whitworth, A.: Radical Information Literacy: Reclaiming the Political Heart of the IL Movement. Chandos Publishing, Oxford (2014)
4. Rusev, P.: Origine, nature et developpement de la culture Bulgare durant treize siecles. Etudes Balk. 17(3), 3–15 (1981)
5. Katsikas, S. (ed.): Bulgaria and Europe: Shifting Identities. Anthem Press, London (2010). http://www.ebrary.com