Ładysz, Jerzy, and Aleksander Ładysz. “Disparities in Development of ICT Sector in Federal Districts of Russia”. Studies of the Industrial Geography Commission of the Polish Geographical Society 17 (January 1, 2011): 47–55. Accessed November 21, 2024. https://prace-kgp.uken.krakow.pl/article/view/209.