CONCEPT OF DEVELOPMENT OF PUBLIC EDUCATION IN SOVIET RUSSIA IN THE TWENTIES OF THE TWENTIETH CENTURY - PDF (Russian)
Copyright (c) 2015 Bogachev A.V., Zakharova L.B.
![Creative Commons License](http://licensebuttons.net/l/by/4.0/88x31.png)
This work is licensed under a Creative Commons Attribution 4.0 International License.