NOWAK, Paulina. Cooperation of enterprises in innovative activities on the example of Polish regions. Equilibrium. Quarterly Journal of Economics and Economic Policy, [S. l.], v. 16, n. 4, p. 839–857, 2021. DOI: 10.24136/eq.2021.031. Disponível em: https://journals.economic-research.pl/eq/article/view/1929. Acesso em: 16 sep. 2024.