RAK, Anna. CHANGES IN THE INNOVATIVE ACTIVITY OF POLISH ENTERPRISES IN THE YEARS 2019-2021. Management and Administration Journal, [S. l.], v. 61, n. 134, 2024. DOI: 10.34739/zn.2023.61.04. Disponível em: https://czasopisma.uws.edu.pl/znadministracja/article/view/3483. Acesso em: 5 oct. 2024.