GRZELAK, M.; CIKA, N.; ROSZKO-WÓJTOWICZ, E. INNOVATION ACTIVITIES OF INDUSTRIAL ENTERPRISES IN POLAND IN THE LIGHT OF PUBLIC STATISTICS. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 16, n. 4, p. 61–70, 2017. DOI: 10.22630/ASPE.2017.16.4.45. Disponível em: https://aspe.sggw.edu.pl/article/view/306. Acesso em: 22 nov. 2024.