Diversification of Motor Skills of Girls and Boys Aged 14 16 Years with Secondary Schools in Bydgoszcz

Journal of Education, Health and Sport, Tom 3, Numer 5 (2013) s. 579-596
Mirosława Szark-Eckardt, Marek Napierała, Michalina Kuska, Hanna Żukowska, Walery Zukow