KRUPA, K. W. Network business and innovation in SMBs. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 14, p. 76–80, 2009. DOI: 10.24917/20801653.14.9. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/471. Acesso em: 2 may. 2024.