Metodi Ivanov. "SOCIO-ECONOMIC AND POLITICAL PROBLEMS IN BUILDING AND MANAGING ALTERNATIVE AND SUSTAINABLE CITIES OF THE FUTURE." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Nano, Bio, Green and Space: Technologies for Sustainable Future (2019): 533-540. https://doi.org/10.5593/sgem2019/6.2/s27.068