SIERADZKA, Katarzyna. Sources of financing for innovative business activities in Poland. Central European Review of Economics & Finance, [S. l.], v. 22, n. 6, p. 29–40, 2017. DOI: 10.24136/ceref.2017.025. Disponível em: https://journals.economic-research.pl/ceref/article/view/697. Acesso em: 13 oct. 2024.