Olena Kharytonova and Evgen Kharytonov (2024) “VIRTUAL WORLD, VIRTUAL IDENTITY, SIMULACRA AND HYBRID WARFARE”, in Oleksii Kostenko and Yuriy Yekhanurov (eds.) DIGITAL TRANSFORMATION IN UKRAINE: AI, METAVERSE, AND SOCIETY 5.0. SciFormat Publishing Books (Edited Books), pp. 14–19. doi:10.69635/978-1-0690482-1-9-ch2.