Golovanova, N. B., A. S. Basyuk, I. V. Taranova, E. R. Kramarenko, and L. V. Goloshchapova. “The Study of Economic Activity of Russian Corporations in Modern Economy”. International Journal of Economics and Financial Issues, vol. 6, no. 1S, May 2016, pp. 220-6, https://www.econjournals.com/index.php/ijefi/article/view/2382.