Shkurkin, Dmitry, Vladimir Novikov, Iskandar Kobersy, Issa Kobersy, and Anna Borisova. “Investigation of the Scope of Intellectual Services in the Aspect of Virtualization and Information Economy of Modern Russia”. Mediterranean Journal of Social Sciences 6, no. 5 S3 (September 27, 2015): 217. Accessed September 30, 2022. https://www.richtmann.org/journal/index.php/mjss/article/view/7766.