Piepiora, Paweł, and Klaudia Kaśków. “Personality Profile of Polish Volleyball Players – a Case Study of Players at Various Sports Levels”. Quality in Sport 5, no. 2 (October 20, 2019): 47–57. Accessed April 27, 2024. https://apcz.umk.pl/QS/article/view/QS.2019.011.