1. Aiginger, K. (1999). Do Industrial Structures Converge? A Survey on the Empirical Literature on Specialisation and Concentration of Industries (WIFO Working Paper No 116). Australian Institute for Economic Research. https://www.econstor.eu/bitstream/10419/128669/1/wp_116.pdf
2. Barta, G., Czirfusz, M., & Kukely, G. (2008). Re-industrialisation in the world and in Hungary. European Spatial Research and Policy, 15(2), 5-26. http://esrap.geo.uni.lodz.pl/index.php?page=v15n2
3. Bourdin, S. (2015). Nacional and regional trajectories and economic integration in Central and Eastern Europe. Canadian Journal of Regional Science, 38(1), 53-63. https://idjs.ca/images/rcsr/archives/V38N1-BOURDIN.pdf
4. Ceapraz, I. L. (2008). The Concept of Specialisation and Spatial Concentration and the Process of Economic Integration: Theoretical Relevance and Statistical Measures. The Case of Romania's Regions. Romanian Journal of Regional Science, 2(1), 68-93. http://rjrs.ase.ro/wp-content/uploads/2017/03/V21/V214.Ceapraz.pdf
5. Drobnjaković, M., Petrović, G., Karabašević, D., Vukotić, S., Mirčević, V., & Popović, V. (2021). Socio- Economic Transformation of Šumadija District (Serbia). Journal of the Geographical Institute “Jovan Cvijić” SASA, 71(2), 163-180. https://doi.org/10.2298/IJGI2102163D