HOMSKI, K. A. Efficiency of the R&D sector in the EU states. Does the source of funds matter?. Research Papers in Economics and Finance, [S. l.], v. 3, n. 2, p. 37–44, 2019. DOI: 10.18559/ref.2018.2.4. Disponível em: https://journals.ue.poznan.pl/REF/article/view/78. Acesso em: 3 may. 2024.