BOSIACKI, S.; ŚNIADEK, J. POLISH TOURIST ENTERPRISES ACTIVITY WITHIN THE EUROPEAN UNION. Acta Scientiarum Polonorum. Oeconomia, [S. l.], v. 9, n. 4, p. 83–90, 2010. Disponível em: https://aspe.sggw.edu.pl/article/view/664. Acesso em: 22 nov. 2024.