BOROWIECKI, R.; SIUTA-TOKARSKA, B. Problems of the Polish economy innovativeness and R&D activity. Social Inequalities and Economic Growth, [S. l.], v. 2, n. 50, p. 163–176, 2020. DOI: 10.15584/nsawg.2017.2.10. Disponível em: https://journals.ur.edu.pl/nsawg/article/view/1197. Acesso em: 13 jul. 2025.