The Military Academy of the Land Forces, Belgrade, 1967 The Military Politics College, Belgrade, 1985 The Faculty of Geography, Belgrade, master's thesis "Daily migrations of Kula residents and their consequences", Belgrade, 1992 The Military Academy of the Land Forces, Belgrade, PhD dissertation "Military geographical assessment of the Yugoslav battlefield", 1996 The Faculty of Geography, Belgrade, PhD dissertation "Geographical aspects of regional development in the Pljevlja area", 2004.

Theoretical determination of concept of defense – definition of the term Theoretical consideration of defense as one of the most important functions of the state The main principles on which defense of the state is embedded Factors that dictate the state of defense as one of the state's functions Power and resources of defense Energy climate change research Social ethics value  Contemporary defense theories Capacities and future perspective of defense among different states in the international community.