CZAJKOWSKI, Tomasz. The Influence of the European Union Funds on the Development of the Electronic Business Sector in Poland. Comparative Economic Research. Central and Eastern Europe, [S. l.], v. 15, n. 2, p. 119–137, 2012. DOI: 10.2478/v10103-012-0013-y. Disponível em: https://czasopisma.uni.lodz.pl/CER/article/view/6802. Acesso em: 7 dec. 2025.