1. International Energy Agency: Energy Efficiency 2022. (2022)
2. Djordjevic, L., Pekez, J., Novaković, B., Bakator, M., Djurdjev, M., Ćoćkalo, D., Jovanović, S.: Increasing energy efficiency of buildings in Serbia—a case of an urban neighborhood. Sustainability (Switzerland) 15 (2023). https://doi.org/10.3390/su15076300
3. Eurostat - statistical office of the European Union: https://ec.europa.eu/eurostat/web/main/home. Accessed 11 May 2023
4. Agrawal, R., De Tommasi, L., Lyons, P., Zanoni, S., Papagiannis, G.K., Karakosta, C., Papapostolou, A., Durand, A., Martinez, L., Fragidis, G., Corbella, M., Sileni, L., Neusel, L., Repetto, M., Mariuzzo, I., Kakardakos, T., Güemes, E.L.: Challenges and opportunities for improving energy efficiency in SMEs: learnings from seven European projects. Energy Effic. 16 (2023). https://doi.org/10.1007/s12053-023-10090-z
5. Nebiu, B., Milanovska, E., Ribic, M., Pasoyan, A.: Gap Analysis of the housing sector in western balkan countries: Bosnia and Herzegovina. North Macedonia, and Serbia Vs. Slovak Republic, Kosovo (2020)