Polkovenko O, Tymchyk O, Moisak A. Experimental study of the effects of sports tourism on the level of the development of physical training of teenagers. ScienceRise: Biological Science [Internet]. 2017Dec.31 [cited 2024May6];(6 (9):27-30. Available from: https://journals.uran.ua/sr_bio/article/view/119832