BRZOSKO-SERMAK, A. Innovation and the endogenous resources of Polish eastern border cities. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 19, p. 74–92, 2012. DOI: 10.24917/20801653.19.6. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/70. Acesso em: 4 may. 2024.