Ljubenović, M., I. . Bogdanović Protić, M. Dinić Branković, J. Đekić, and M. Igić. “Identifying Characteristics and Typology of Small Shrinking Towns in Serbia: The Case of the Region of Southern and Eastern Serbia”. Acta Geographica Slovenica, vol. 65, no. 1, Jan. 2015, pp. 7–23, doi:10.3986/AGS.13717.