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2. Armies and Autocrats: Why Putin's Military Failed
3. Barnes Julian E. Laura Jakes and John Ismay. 2022. “U.S. Intelligence Suggests That Putin’s Advisers Misinformed Him on Ukraine.” The New York Times March 30. https://www.nytimes.com/2022/03/30/world/europe/putin-advisers-ukraine.html.
4. Primenenie gibridnykh metodov v sovremennykh konfliktakh [The use of hybrid methods in contemporary conflicts];Bartosh Aleksandr.;Problemy natsional’noi Strategii,2016
5. Hybrid Warfare: "Friction" and "Wear and Tear"