@misc{Kruszyńska_Ewa_Evaluation_2019,
 author={Kruszyńska, Ewa and Eider, Jerzy},
 type={article},
 publisher={The Stanislaw Podobinski Publishing House of the Jan Długosz University in Czestochowa},
 title={Evaluation of the promotion of the idea of a healthy and active lifestyle by the citizens of Poznań},
 address={Częstochowa},
 year={2019},
 language={eng},
}