Gridchin А. ., V. . Saraev, and Toxanbayev А. . “International Security Enhancement Instruments and the Prevention of Terrorist Attacks During Sports Competitions”. BULLETIN of L.N. Gumilyov Eurasian National University Law Series, vol. 137, no. 4, Dec. 2021, pp. 53-58, doi:10.32523/2616-6844-2021-137-4-53-58.