Probin, Pavel Sergeevich, Arkadii Anatol’evich Simdiankin, Angelina Olegovna Zekiy, Natalia Alekseevna Prodanova, Svetlana Nikolaevna Pozdeeva, and Irina Edwardovna Guryanova. “Basis of Economic Security of a Highly Qualified Athlete”. Journal of Human Sport and Exercise 16, no. 2proc (March 22, 2021): S485-S498. Accessed June 21, 2024. https://www.jhse.ua.es/article/view/2021-v16-n2-proc-basis-economic-security-highly-qualified-athlet.