SZUKALSKI, S. M.; DĄBROWSKA, A.; JANOŚ-KRESŁO, M.; PIOTRKOWSKI, J. Impact of Liberalization in European Union on Innovativeness and Competitiveness of Polish Services Companies in the Perspective of Research. Acta Universitatis Lodziensis. Folia Oeconomica, [S. l.], v. 4, n. 337, p. 127–153, 2018. DOI: 10.18778/0208-6018.337.09. Disponível em: https://www.czasopisma.uni.lodz.pl/foe/article/view/2310. Acesso em: 8 may. 2024.