KUCZYŃSKI, Gracjan and PROKOPCZYK, Adam. The comparison of the relationship between body composition and physical fitness in students of sports championship classes in early specialized (gymnastics) and late specialized (judo) sports. Journal of Education, Health and Sport. Online. 22 December 2025. Vol. 86, p. 67284. [Accessed 25 February 2026]. DOI 10.12775/JEHS.2025.86.67284.