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PARAMETERS AND CHARACTERISTICS OF EDUCATIONAL ENVIRONMENT OUTSIDE RUSSIA - PDF (Russian)
Copyright (c) 2008 Bykova O.P.
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Copyright (c) 2008 Bykova O.P.
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.