KISIEL, R.; KOWALEWSKA, A.; KOWALEWSKA, J. The Impact of Implemented Innovations on Competitiveness of Tourism Companies in the Warmińsko-Mazurskie Voivodeship. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 19, n. 4, p. 87–94, 2020. DOI: 10.22630/ASPE.2020.19.4.44. Disponível em: https://aspe.sggw.edu.pl/article/view/80. Acesso em: 4 may. 2024.