SULTANOV USMAN IBRAGIMOVICH. AT THE STAGE OF IN-DEPTH SPECIALIZATION PROBLEMS OF MANAGING THE TRAINING PROCESS OF LONG-DISTANCE RUNNERS. INTERNATIONAL JOURNAL OF SOCIAL SCIENCE & INTERDISCIPLINARY RESEARCH ISSN: 2277-3630 Impact factor: 8.036, [S. l.], v. 11, n. 10, p. 299–307, 2022. Disponível em: https://www.gejournal.net/index.php/IJSSIR/article/view/1180. Acesso em: 19 may. 2024.