Krushynska, Nataliia, Iryna Kohut, Sergey Matveev, and Marina Jagiello. “Effect of Running Classes on the Stress Level of Combatants”. Slobozhanskyi Herald of Science and Sport 26, no. 3 (September 26, 2022): 83–87. Accessed December 20, 2024. https://journals.uran.ua/index.php/1991-0177/article/view/265163.