Karatnyk, I., Hrechanyuk, O., Bubela, O., & Pityn, M. (2016). Perfection of badminton players’ speed-power fitness with the help of training means’ variable modules. Pedagogics, Psychology, Medical-Biological Problems of Physical Training and Sports, 20(3), 18–25. https://doi.org/10.15561/18189172.2016.0303