Spitsin, Vladislav, Darko B. Vuković, Elena Akerman, Ludmila Borilo, and Natalia Chistyakova. 2023. “REGIONAL ISSUE, INNOVATION, AND THE ECOLOGICAL FOOTPRINT”. Journal of the Geographical Institute “Jovan Cvijić” SASA 73 (2):221–236. https://doi.org/10.2298/IJGI2302221S.