Warning message Node revision 641 not found. Perharps it was deleted. Node revision 1760 not found. Perharps it was deleted. DemidovaNatalyaIvanovnaCountry: RussiaCity: SaratovCompany: Saratov State Law Academy, St. Volsky, 1, Saratov, 410056, Russia E-mail: dem5@mail.ru Author's articles Analysis of Approaches to the Concept Educational Environment in the Scientific Thought of the 20th Century
