Ivaschenko, V., Pustovalov, V., Bezkopulnuy, O., Suprunovich, V., & Grechukha, S. (2014). On the problem of improving the physical abilities of the younger generation. Pedagogics, Psychology, Medical-Biological Problems of Physical Training and Sports, 18(7), 12–17. https://doi.org/10.6084/m9.figshare.1015379