Dr. Rajko Petrović participated on December 15 at the scientific conference Kosovo and Metohija – Security Challenges and/or Perspectives of the Republic of Serbia organized by the University of Defense – Institute for Strategic Research, where he presented a research paper entitled “Nasilna borba za nezavisnost: baskijsko-kosovske paralele” [“Violent Struggle for Independence: Basque-Kosovo Parallels”].