TY JOUR TI Innovations in Education. Socio-Economic Grounds of the Use of Virtual Leaning Environments KW virtual educational environment KW distance learning KW quality of education KW economic justification of efficiency. JO Scientific Research and Development. Economics AU Veretekhina, S.V. AU Kozhaev, Y.P. AU Kuznecova, E.A. AU Shinkareva, O.V. PY 2017 IS 5 PB INFRA-M Academic Publishing LLC.