Economic and social development : 96th International Scientific Conference on Economic and Social Development - "Era of Global Crises" : book of proceedings : Belgrade, 18-19 May, 2023 - Milija Bogavac; Zivanka Miladinovic-Bogavac; Zeljka Marcinko Trkulja (Economic and social development : 96th International Scientific Conference on Economic and Social Development - "Era of Global Crises" : book of proceedings : Belgrade, 18-19 May, 2023, 2023)