Tagarev, Todor, Zlatogor Minchev, and Nataliya Ivanova. Academic Research on Cybersecurity In It4Sec Reports. Sofia: Institute of Information and Communication Technologies, 2012.

Tagarev, Todor, Ilian Alipiev, and Nataliya Ivanova. Information support requirements of the Ministry of Justice In IT4Sec Reports. Sofia: Institute of Information and Communication Technologies, 2011.