ŚLIWIŃSKI, R.; ŚLIWIŃSKA, M. The competitive factors of German enterprises in Poland. Ruch Prawniczy, Ekonomiczny i Socjologiczny, [S. l.], v. 83, n. 3, p. 287–299, 2021. DOI: 10.14746/rpeis.2021.83.3.19. Disponível em: https://pressto.amu.edu.pl/index.php/rpeis/article/view/26621. Acesso em: 7 luty. 2023.