Klaus, Matthias. "Trusting ICT Providers ? Can Corporate Cyber Confidence-Building Measures Help?" Connections: The Quarterly Journal 20, no. 2 (2021): 21-31.

Bhanwar, Shashi, and Seema Bawa. "TUX-TMS: A Reputation-based Trust System." Information & Security: An International Journal 26, no. 2 (2013): 120-131.

Tagarev, Todor. Good Governance in the Security Sector as a Prerequisite for Bulgaria?s Defence Integration In CSDM Views. Sofia: Centre for Security and Defence Management, 2012.

Swistek, Göran. "The Nexus Between Public Diplomacy and Military Diplomacy in Foreign Affairs and Defense Policy." Connections: The Quarterly Journal 11, no. 2 (2012): 79-86 .