ŁADYSZ, J.; ŁADYSZ, A. Disparities in development of ICT sector in federal districts of Russia. Studies of the Industrial Geography Commission of the Polish Geographical Society, [S. l.], v. 17, p. 47–55, 2011. DOI: 10.24917/20801653.17.5. Disponível em: https://prace-kgp.uken.krakow.pl/article/view/209. Acesso em: 23 jun. 2024.