Actual issues of Russian energy sector development - PDF (English)
Copyright (c) 2022 Shekhov I.A., Shekhova N.V.
This work is licensed under a Creative Commons Attribution 4.0 International License.
Copyright (c) 2022 Shekhov I.A., Shekhova N.V.
This work is licensed under a Creative Commons Attribution 4.0 International License.