Rymar O, Sorokolit N, Solovey A, Khanikiants O, Malanchuk H, Petryna R. THE EFFECTIVENESS OF IMPLEMENTATION OF CROSSFIT TOOLS IN THE PROCESS OF PHYSICAL EDUCATION OF HIGH SCHOOL PUPILS. SIE [Internet]. 2022 May 19 [cited 2024 Nov. 23];1:497-509. Available from: https://journals.ru.lv/index.php/SIE/article/view/6809