OLEJNIK, Alicja Anna. Returns to Scale for EU Regions – evidence from the spatial panel model. Acta Universitatis Lodziensis. Folia Oeconomica, [S. l.], v. 3, n. 329, p. [23]-32, 2017. DOI: 10.18778/0208-6018.329.02. Disponível em: https://czasopisma.uni.lodz.pl/foe/article/view/805. Acesso em: 18 apr. 2025.