Ventzislav Atanassov"Implementation Hierarchy and CIO Organization in Bulgaria’s Public Administration."Information & Security: An International Journal42(2019):83-94.4205_vatanassov_cio_organization.pdf
Atanas Zaprianov"IT-related Challenges Facing the Bulgarian Armed Forces and Their Performance Related Impact."Information & Security: An International Journal6(2001):23-29.06.02_Zapryanov.pdf