Тропин, Юрий, and Наталия Бойченко. “Features of Psycho-Physiological Indicators in Various Types of Wrestling”. Slobozhanskyi Herald of Science and Sport, no. 6(68) (December 31, 2018): 54–58. Accessed March 1, 2026. https://journals.uran.ua/index.php/1991-0177/article/view/152909.