Kocjan, J. (2015) “Physical activity level and health-related quality of life (HRQOL) in amateur tennis players. Comprehensive evaluation of factors and components of subjective self-assessment of health”, Journal of Education, Health and Sport, 5(6), pp. 375–383. Available at: https://apcz.umk.pl/JEHS/article/view/2756 (Accessed: 2 July 2024).