Khubbiev S, Zarodnyuk G, Karavan A, Zinoviev N. Developing physical fitness through the principle of ‘repetition without repetition’. TPPC [Internet]. 2026 Apr. 18 [cited 2026 Apr. 18];(3):87-9. Available from: http://tpfk.ru/index.php/TPPC/article/view/1629