M. I. . Bondar, A. S. . Stovpova, N. A. . Ostapiuk, O. H. . Biriuk, and O. V. . Tsiatkovska, “Efficiency of Using Cryptocurrencies as an Investment Asset”, Int. J. Criminol. Sociol., vol. 9, pp. 2944–2954, Oct. 2021.