Galan, Yaroslav, Olena Andrieieva, Olena Yarmak, and Olha Shestobuz. 2020. “Programming of Physical Education and Health-Improving Classes for the Girls Aged 12-13 Years”. Journal of Human Sport and Exercise 15 (3):525-34. https://doi.org/10.14198/jhse.2020.153.05.