POPOVIĆ, Vladimir. The impact of the age structure of active population on agricultural activity rate: The case study of the Timok Krajina region. Eastern European Countryside, [S. l.], v. 28, 2023. DOI: 10.12775/EEC.2022.004. Disponível em: https://apcz.umk.pl/EEC/article/view/46326. Acesso em: 8 jul. 2025.