Marchenko, Svitlana. “Study of the Factor Structure of Motor Fitness in 8-Year-Old Boys During the Process of Mastering the ‘Kin Geri’ Kick Technique”. Physical Education Theory and Methodology 25, no. 3 (May 30, 2025): 675–683. Accessed July 10, 2026. https://www.tmfv.com.ua/journal/article/view/3399.