For citations:

Al-Hasani M.H. THE PROBLEM OF PHYSICAL ACTIVITY DECLINE AMONG SCHOOLCHILDREN WORLDWIDE AND THE SEARCH OF WAYS FOR ITS SOLUTION. Tambov University Review. Series: Humanities. 2018;23(175):88-94. (In Russ.) https://doi.org/ 10.20310/1810-0201-2018-23-175-88-94