KLEMENS, Brygida. Cluster-Based Policy at European Union and Poland Levels. Regional Barometer. Analyses & Prognoses, [S. l.], n. 2 (28), p. 25–32, 2012. DOI: 10.56583/br.1234. Disponível em: https://czaz.akademiazamojska.edu.pl/index.php/br/article/view/1234. Acesso em: 17 jun. 2025.