Russia) Mezhdunarodnai︠a︡ nauchno-prakticheskai︠a︡ konferent︠s︡ii︠a︡ "Ėkonomika prigranichnykh regionov v uslovii︠a︡kh modernizat︠s︡ii--problemy i perspektivy razvitii︠a︡" (3rd 2013 Orenburg