About the Authors

Patrakov E.V.



E-mail: e.v.patrakov@urfu.ru

Cand. Sci. (Pedagogic.), Assoc. Prof., Fiead of the Depart¬ment of social security, physical and technological Institute, Ural Federal University named after first President of Russia B. N. Yeltsin, Yekaterinburg, Russia

 



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