Sasyn, H. V. “The Informational War: Essence, Means of Implementation, Results and Possibilities for Counteraction (for Example, Russian Expansion in the Ukrainian Space)”. Scientific and Theoretical Almanac Grani 18, no. 3 (February 10, 2015): 18-23. Accessed November 28, 2020. https://grani.org.ua/index.php/journal/article/view/153.