Russia) Mezhdunarodnai︠a︡ nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Nauka v 21 veke" (2nd 2013 Krasnodar

Books by Russia) Mezhdunarodnai︠a︡ nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Nauka v 21 veke" (2nd 2013 Krasnodar on BookTides.