DOMINIAK, Joanna; PERDAŁ, Robert. E-services in Poland and European Union. Rozwój Regionalny i Polityka Regionalna, [S. l.], n. 16, p. 19–42, 2018. Disponível em: https://pressto.amu.edu.pl/index.php/rrpr/article/view/14202. Acesso em: 17 jul. 2024.