MIKOŁAJCZYK, K. Public R&D expenditure and their impact on private R&D: complementarity or substitution? Analysis for Central and East European countries. Acta Universitatis Lodziensis. Folia Oeconomica, [S. l.], v. 3, n. 335, p. 171–188, 2018. DOI: 10.18778/0208-6018.335.12. Disponível em: https://www.czasopisma.uni.lodz.pl/foe/article/view/2300. Acesso em: 4 may. 2024.