Dougblay A, Lubyshev E, Titovsky A, Krasilnikov A. Limiting factors of investment activity of the sports industry on the example of international football competitions in Russia. TPPC [Internet]. 2023 Apr. 27 [cited 2025 Feb. 2];(4). Available from: http://tpf1610220.nichost.ru/index.php/TPPC/article/view/547