CIEŚLIK, Andrzej; MICHAŁEK, Anna; MICHAŁEK, Jan Jakub. European integration and firm’s export performance in the new EU member countries. Economics and Business Review, Poland, v. 14, n. 4, p. 38–53, 2014. DOI: 10.18559/ebr.2014.4.837. Disponível em: https://journals.ue.poznan.pl/ebr/article/view/837. Acesso em: 3 apr. 2025.