Email this article 
Student’s educational geological practice in the COVID-19 epidemic - PDF (Russian)
Copyright (c) 2022 Vasilieva D.I., Baranova M.N.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 2022 Vasilieva D.I., Baranova M.N.
This work is licensed under a Creative Commons Attribution 4.0 International License.