Comparative Characteristics of Functional Possibilities of Swimmers 11–12 Years Depending on Sex and the Possibilities of Their Improvement

Prace Naukowe Akademii im. Jana Długosza w Częstochowie. Kultura Fizyczna, Tom 17, Numer 1 (2018) s. 79-85
Victoria Golovkina, Svetlana Salnukova

 

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