Saveliev D, Zherlygina E, Gromov M, Kovalenko A. Justification of the effectiveness of the online course for sports judges on the example of kyokushin karate. TPPC [Internet]. 2022 Apr. 7 [cited 2024 Apr. 19];(4):60-2. Available from: http://tpfk.ru/index.php/TPPC/article/view/190