Андрєєва Олена Валеріївна (Olena A. Historical, theoretical methodological foundations of recreational activity of different population groups. National University of Physical Education and Sport of Ukraine. SHSS [Internet]. 2015Apr.30 [cited 2024Nov.23];(2(46):19-23. Available from: https://journals.uran.ua/index.php/1991-0177/article/view/41506