@misc{Brodani_Jaroslav_The_2019,
 author={Brodani, Jaroslav and Kovacova, Natalia},
 type={artykuł},
 publisher={Projack},
 title={The interaction of physical activity, joy of movement and quality of life of high school students at different ages},
 address={Częstochowa},
 year={2019},
 language={eng},
}