Гриньова [Grineva T.] Т, Мулик [Mulik K.] КВ. An estimation of level of physical preparedness of boys is 11–12 years under influence of employments the different types of tourism. SHSS [Internet]. 2012Dec.30 [cited 2024May6];(5-2(33):13-7. Available from: https://journals.uran.ua/index.php/1991-0177/article/view/21543