Research Studies № 25 Prof. Plamen Pantev, PhD: Russia’s Aggression Against Ukraine: Concept, Ideology, Objectives, Means, Consequences Research studies 25 № 24 Prof. Plamen Pantev, PhD: Shared Human Values and the Great Powers' Competition: Trends in the Evolution of the International Relations System Research studies 24 № 23 Prof. Plamen Pantev , PhD: The Integration of the Western Balkans in NATO: a Logical Step in the Strengthening of the Regional Security Community in South East Europe Research Studies 23 № 22 Prof. Plamen Pantev, PhD: Perceptions and Reflections of the Security Crisis in the Black Sea Region Research studies 22 (PDF) № 21 Prof. Plamen Pantev , PhD: BUILDING A COMMUNITY WITH A SHARED FUTURE FOR MANKIND: IS THERE A BLUPRINT? Research studies 21 (PDF) № 20 PhD Mira Kaneva: THE WESTERN BALKANS AT THE END OF THE 2010 BEYOND THE SECURITY DILEMMA? Research studies 20 (PDF) № 19 Prof. Plamen Pantev, PhD: Challenges to the Common Foreign and Security Policy of the European Union: Black Sea Region (Crimea) and Syria Research studies 19 (PDF) № 18 Boyan Boyanov: The Inflated Yet Unsolvable North Korean Nuclear Threat Research studies 18 (PDF) № 17 PhD Mira Kaneva: EUROPEAN UNION BORDERS IN THE FACE OF INSECURITIES (2015-2016) Research studies 17 (PDF) № 12 Prof. Plamen Pantev, PhD: Bulgaria in NATO and the EU: Implications for the Regional Foreign and Security Policy of the Country Research studies 12 (PDF)