Drobnjaković, M., G. . Petrović, D. Karabašević, S. Vukotić, V. Mirčetić, and V. Popović. “SOCIO-ЕCONOMIC TRANSFORMATION OF ŠUMADIJA DISTRICT (SERBIA)”. Journal of the Geographical Institute “Jovan Cvijić” SASA, vol. 71, no. 2, Aug. 2021, pp. 163–180, doi:10.2298/IJGI2102163D.