Tsankova, Roumiana; Doneva, Lyubina
(Workshop "European Administrative Space-Balkan Realities", Rijeka, in Matei,L., Vasicek, D., Kastelan-Mrak, M. (eds), "European Administrative Space-Balkan Realities", ASsee Online Series, No.3/2011, pp. 125-140, 2011)