Balatoni, Ildikó, Nikoletta Kith, Nikolett Kosztin, and László Csernoch. “The System of Sports Schools in Respect With Youth-Training in Hungary”. Journal of Education, Health and Sport 6, no. 13 (December 31, 2016): 42–53. Accessed June 28, 2025. https://apcz.umk.pl/JEHS/article/view/4150.