Nuriddin, Nazarov. “The Main Concepts and Current Problems of the Preparing System of Runners in Modern Sport Theory”. Central Asian Journal of Theoretical and Applied Science 2, no. 5 (May 7, 2021): 1–8. Accessed April 28, 2026. https://www.cajotas.casjournal.org/index.php/CAJOTAS/article/view/143.