Sieroń, A., Kołodyńska, G. and Rostojek, P. (2018) “Comparative analysis of changes in body composition of young volleyball players during the season”, Journal of Education, Health and Sport, 8(9), pp. 651–657. Available at: https://apcz.umk.pl/JEHS/article/view/5948 (Accessed: 18 April 2025).