Derkach, Serhii, Oleg Khudolii, and Yuliia Golenkova. 2023. “Influence of Strength Fitness Classes on the Development of Motor Abilities of High School Students”. Journal of Learning Theory and Methodology 4 (1). Kharkiv, Ukraine:13-18. https://doi.org/10.17309/jltm.2023.4.02.