Крайник, Ярослав, Вячеслав Мулик, Дар’я Окунь, and Святослав Коваль. “Use of Special Exercises for the Development of Motor Qualities and the Formation of Technical and Tactical Actions of Defenders 13–14 Years in the Preparatory Period”. Slobozhanskyi Herald of Science and Sport, no. 6(74) (December 30, 2019): 32–36. Accessed July 18, 2024. https://journals.uran.ua/index.php/1991-0177/article/view/190786.