GABRIELCZAK, P.; SERWACH, T. Firms’ productivity and their international expansion. The case of Lodz voivodeship. Ekonomia Międzynarodowa (International Economics), [S. l.], n. 5, p. 7–28, 2014. DOI: 10.18778/2082-4440.05.01. Disponível em: https://czasopisma.uni.lodz.pl/em/article/view/20011. Acesso em: 17 may. 2024.