Dmitriy Dolgushev Cooperation of Information Service Sphere and Communication Industry in Developed Countries // Russian Journal of Entrepreneurship. — 2013. — № 12 (234). — p. 132-139. — URL: http://bgscience.ru/com/lib/4292
Ekaterina Semenyak, S.I. Berlin Mechanism of Attracting Resources by a Telecommunication Corporation by Means of Operations in the Securities Market // Russian Journal of Entrepreneurship. — 2010. — № 4-1 (156). — p. 146-150. — URL: http://bgscience.ru/com/lib/2011
